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Bulk Auto Relay General Data Contact Form1A, 1B, 1C, 1U, 2A Contact MaterialAgSno2 Max,Operating Current40A Max.Operating Voltage27VDC Rated Load锛圧esistive load锛?/p>1A:40A 13.5VDC 20A 27VDC 1C:NO/NC 40A/30A 13.5VDC 20A/15A 27VDC Insulation Resistance100M惟 Dielectric Strength锛圕oil and Contact锛?/p>500VAC/M Ambient Temperature-40掳C~+85掳C Operate/Release Time10ms/10ms Mechanical Llife1 X10鈦?/p> Electrical Life1 X10鈦?/p> Terminal TypeTerminal About product: Application range Widely used 1. Low power consumption Relay coil power consumption, the use of low power design Copper coil Strong electrical conductivity, not easy to heat and wear resistance Nylon material is resistant to high and low temperature The shell is made of nylon with good insulation resistance and resistance Voltage performance and easy machining 2. Silver contacts have high sensitivity The relay is made of silver to ensure high current through 3. The copper coil conducts electricity well Copper coil, sufficient winding, simple structure, strong electrical conductivity Easy to use 4. Output stabilized nylon raw copper terminal Durable use, high and low temperature resistance, energy saving and consumption reduction Strong electrical conductivity large silver contact source goods Stable, reliable, convenient, large installation and good price 5. Output stabilized nylon raw copper terminal Durable use, high and low temperature resistance, energy saving and consumption reduction Strong electrical conductivity large silver contact source goods Stable, reliable, convenient, large installation and good priceBulk Auto Relay website:http://www.hungso.com/relay/auto-relay/
Bulk Auto Relay General Data Contact Form1A, 1B, 1C, 1U, 2A Contact MaterialAgSno2 Max,Operating Current40A Max.Operating Voltage27VDC Rated Load锛圧esistive load锛?/p>1A:40A 13.5VDC 20A 27VDC 1C:NO/NC 40A/30A 13.5VDC 20A/15A 27VDC Insulation Resistance100M惟 Dielectric Strength锛圕oil and Contact锛?/p>500VAC/M Ambient Temperature-40掳C~+85掳C Operate/Release Time10ms/10ms Mechanical Llife1 X10鈦?/p> Electrical Life1 X10鈦?/p> Terminal TypeTerminal About product: Application range Widely used 1. Low power consumption Relay coil power consumption, the use of low power design Copper coil Strong electrical conductivity, not easy to heat and wear resistance Nylon material is resistant to high and low temperature The shell is made of nylon with good insulation resistance and resistance Voltage performance and easy machining 2. Silver contacts have high sensitivity The relay is made of silver to ensure high current through 3. The copper coil conducts electricity well Copper coil, sufficient winding, simple structure, strong electrical conductivity Easy to use 4. Output stabilized nylon raw copper terminal Durable use, high and low temperature resistance, energy saving and consumption reduction Strong electrical conductivity large silver contact source goods Stable, reliable, convenient, large installation and good price 5. Output stabilized nylon raw copper terminal Durable use, high and low temperature resistance, energy saving and consumption reduction Strong electrical conductivity large silver contact source goods Stable, reliable, convenient, large installation and good priceBulk Auto Relay website:http://www.hungso.com/relay/auto-relay/
== CE Disposable Mask quotation ==
CE Disposable Mask quotation Ningbo Meiqi Tools Co., Ltd. was established in 2003. It is a professional manufacturer specializing in the production of various types of plastic tool boxes and safety protection boxes. Production of professional personal protective equipment since 2020, products include flat masks, KN95 masks, and meltblown cloth Ningbo Meiqi is located in the China international port city - Ningbo. As a global supplier in the disposable mask, KN95 mask products, Ningbo Meiqi is to create added value for customers around the world. 鈥籒Ingbo Meiqi products included: 1.Disposable mask, 2.Disposable medical mask 3.KN95 mask 4.KN95 medical mask 鈥籘he disposable masks and KN95 masks are widely used in the following scenarios: 1. Daily protection 2. PM2.5 protection 3. Industrial dust protection 4. Pollen protection 5. Flu protection 鈥籓ur Certificate: We always feel that all success of our company is directly related to the quality of the products we offer. They meet the highest quality requirements as stipulated in ISO9001, ISO14001 guidelines and our stringent quality control system. 鈥籔roduction Equipment: Disposable mask production line, KN95 mask production line 鈥籔roduction Market: We have customers from both domestic market and oversea market. our sales managers can speak fluent English for good communication. Our main sales market: North America 35.00% Southern Europe 25.00% 鈥籓ur Service: We control the product quality critically for every step during the manufacturing. We offer technical support that is second to noneCE Disposable Mask quotation website:http://www.meiqi-mask.com/

Version du 4 avril 2023 à 03:52

Plan envisagé pour la page d'accueil :

=> En haut à droite, image calendrier avec la date RP du jeu
=> Cadre pleine largeur : Bannière centrée + à la ligne, message de bienvenue
=> 3 colonnes, responsive :
- C1L1 : Histoire (4 périodes : Monarchie / République & Dictature / Révolution / Empire, à décomposer plus sérieusement)
- C2L1 : Institutions (4 items : Exécutif / Législatif / Judiciaire / Autres)
- C3L1 : Citoyens (4 items Personnages royaux / Personnages historiques / Femmes contemporaines / Hommes contemporains)
=> Cadre pleine largeur : Bannière intermédiaire avec nombre d'oeuvres/contributeurs + fonction création de page
=> 2 colonne, responsive :
- C1L1 : Géographie (6 items, 1 par Province)
- C1L2 : Groupes citoyens (6 items : Partis Politiques / Entreprises / Syndicats / Associations / Fédérations sportives / Cultes)

china Pyrethrum Extract manufacturers

china Pyrethrum Extract manufacturers About Guanjie Technolgy Shaanxi Guanjie Technology Co.,Ltd was invested and established in 2009 by Xi'an Guanyu Bio-technology Co.,Ltd which was established in 2004. Guanjie is a Hi-tech private enterprise specializing in the research, development, production and sales of natural plant extracts and Chinese traditional medicines to serve customers in the the nutraceutical food additived, pharmaceutical and cosmetics industries. Guanjie Biotech has continuously strived to innovate and improve its control standards for 17 years. We have obtained China ISO, QS, Halal,Kosher and other certifications. As a supplier of plant extracts, we fully comply with the national production requirements for such products as well as the declaration requirements for health food. As a supplier of botanical extracts, we have established an independent laboratory for third-party testing to better serve our customers. Our Organization Our Factory Export Countries Our Mission Our Organization There are 35 people work in our headoffice and 30employees work in our factory. In this team,10 professional technicists for quality control in test room in our headoffice, 8 people for research and development, 12 sales staff, 3 financial employees, 4 warehouse employees, 4 sourcing employees and so on. Our Factory Guanjie factory covers an area of 7000銕? including CGMP standard workshop of 2000銕?and advanced lab of 500銕? Guanjie has cooperated with Northwest University for establish experimental base for Master students. We also have established a strategic partnership with Xi'an Branch of Chinese Academy Sciences. Export Countries We focus on the extraction and separation of active ingredients from natural plants for 17 years. Our products have sold well in China for many years, and have been exported to many countries, including Europe, America, Japan, Spain, South Korea, the Middle East and Southeast Asia. Customers give us widely praise. Our Mission Our people abide by the tenets of 鈥渃ome from the nature, serve the human's well being鈥? We are looking forward to communicating and cooperating with friends from all over the world. 鈼?Providing the highest customer services to our clients. 鈼?Continuous R&D to innovate new products and research natural resources using the scientific knowledge and wisdom of compassionate experts in the field. 鈼?Always keeping close to the needs of the market in an ever changing health care sector to ensure growth and sustainability. CPHI-Germany-2018 CPHI-India-2018 CPHI-Shanghai-2015 CPHI-Shanghai-2016 CPHI-Shanghai-2018 Ingredients-Russia-2015 Supplyside-West-2015 Supplyside-West-2016 Supplyside-West-2018 Supplyside-West-2019 Vitafoods-Asia-2016 Vitafoods-Asia-2018 Vitafoods-Europen-2015 Vitafoods-Europen-2016 Vitafoods-Europen-2017 Vitafoods-Europen-2018 Vitafoods-Europen-2019china Pyrethrum Extract manufacturers website:http://www.guanjieherbs.com/

Brunswick Bowling Pinsetter manufacturers

Brunswick Bowling Pinsetter manufacturers Our History Oasis has two factories,Oasis bowling & Oasis Audio. Started in 1996, Oasis bowling developed into China market leader around everything related to bowling and Leisure.We supply and advise bowling entrepreneurs across the world, for the best prices. In 2016, with years of experience on stage audio and lighting, Oasis established Oasis audio & lighting equipment factory,specializing in digital audio mixer. Our Factory Oasis Your partner in bowling and Leisure! Independent market leader Started in 1996, Oasis bowling developed into China market leader around everything related to bowling and Leisure. As the professional and independent supplier, we supply and advise bowling entrepreneurs across the world, for the best prices. In 2016, with years of experience on stage audio and lighting, Oasis established Oasis audio & lighting equipment factory,specializing in digital audio mixer. Installation, renovation, repair We install, maintain, renovate and repair, but also support investors and entrepreneurs, for example, when choosing an architect or contractor or with developing a complete business plan, including advice on operational management and operation. Knowledge Our specialists have more than 25 years of experience in all aspects of the bowling world. As a result, we can not only assist you technically, but you can also call on all the knowledge and experience that we have in-house. Furthermore, we have an extensive relationship and knowledge network with which we have an answer to really all questions concerning the construction, modernization and / or operation of your center. Quality Oasis bowling stands for responsible entrepreneurship and always chooses 'the greenest solution.We also choose our suppliers with the utmost care because they have to be able to meet the highest quality, environmental and safety requirements. The same applies to our renovation plan where we completely dismantle used equipment to overhaul. The end result is a machine that looks like new, works like new and with the same quality guarantee as new yet it is 60% cheaper. With every budget we can offer an appropriate plan and the reuse does not burden the environment. Product Range Everything under one roof or 鈥檕ne-stop-shop鈥? is short for Oasis bowling. If it has anything to do with bowling in any form, we can literally and figuratively meet all your wishes. With our extensive network of partners and suppliers, we are not tied to one specific brand. In this way, within a budget you specify, we can always offer exactly what you ask for and guarantee an optimal price-quality ratio. With our wide stock of new and refurbished products, we can also offer you the best prices. Our Product Bowling equipment,bowling parts,used bowling equipment,bowling balls,bowling pins,bowling shoes,digital audio mixer Product Application Bowling equipment for bowling center Digital mixer for Arena and stage,Convention Centers,Medium or large Ballrooms,conference rooms,Theaters Music,Club or Church, Concert and music group,karaoke room Our Service Installation, renovation, repair We install, maintain, renovate and repair, but also support investors and entrepreneurs, for example, when choosing an architect or contractor or with developing a complete business plan, including advice on operational management and operation. Brunswick Bowling Pinsetter manufacturers website:http://www.bgequipmentchina.com/

10L Rotary Evaporator manufacturers

10L Rotary Evaporator manufacturers Our History ZHENGZHOU HEDUYINGTU ELECTRIC TECHNOLOGY CO.,LTD is a professional laboratory related product supplier. We exported goods to more than 120 countries around the world.we are a diversified group company integrating R&D, production, sales and after-sales. One of the technology groups with independent legal personality. Headquartered in Zhengzhou, China. Our Factory As a global supplier of precision laboratory instruments, chemical instruments and testing instruments, we use a dust-free workshop to ensure the quality of our products! At the same time, we have reached in-depth cooperation with many excellent enterprises in the industry. Every year, we will launch new products, upgrade old model instruments, and have great advantages in OEM or customizing according to customers' needs. Our Product Main products: laboratory instruments, laboratory heating equipment. I. Laboratory instruments 1. Basic instruments and equipment used in various laboratories 1.1 Temperature control equipment such as refrigerator, incubator, drying oven, vacuum drying oven,muffle furnace, etc. 1.2 Vacuum pump It used for various supporting equipment requiring vacuum, such as rotary evaporator, vacuum incubator, vacuum filter device, etc. 1.3 Cleaning equipment such as steam sterilizer, ethylene oxide sterilizer, ultrasonic cleaning machine, etc. 1.4 Pure water equipment such as deionizer or pure water machine 1.5 Balance 1.6 Pipette 2. Biological / Chemical / Pharmaceutical laboratories 2.1 mixing equipment It used for dispersing and homogenizing, such as mixer, rotator,shaker,magnetic mixer, mechanical mixer, dispersing machine, ultrasonic homogenizer, etc 2.2 Operation worktops, such as biosafety cabinet, glove box, clean Benche, etc 2.3 Centrifugal instruments various centrifuges, distinguish according to speed, temperature and rotor. 2.4 Separation and purification Such as various rotary evaporators 2.5 Synthesis reaction Such as various reaction kettles 2.6 Gene amplification instrument It used for gene amplification, so trace amounts of the substance can be detected. 2.7 Analytical instruments Such as photometer, gas chromatograph, liquid chromatograph and thin layer chromatograph. 3. Water analysis laboratory 3.1 Titrator 3.2 Water quality parameter measuring instrument Such as pH meter, TDS meter, etc 3.3 Chemical oxygen analyzer and biological oxygen analyzer 3.4 Water analysis tester (optical) 3.5 Turbidimeter 3.6 flow injection analyzer 4. Food laboratory 4.1 Fat analyzer 4.2 Kjeldahl Nitrogen Analyzer 4.3 Colorimeter 4.4 Aflatoxin analyzer 4.5 pesticide residue analyzer 4.6 heavy metal analyzer 5. Physical Laboratory 5.1 Zeeman effect apparatus 5.2 Speed of light analyzer 5.3 laser particle sizer 5.4 XRF analyzer II. Laboratory heating equipment 1. Electromagnetic hot water boiler 2. Electromagnetic steam boiler Product Application The involved products of our company are throughout the universities, research institutes, factories and enterprises, chemical and pharmaceutical, medical, inspection, agriculture, food, super, metallurgical mining, construction, petroleum and other industries, products with superior performance. Based on fast attentive service, great value, exports many countries and regions through the trading company, our products are alike by domestic and foreign merchants. In the production process, we strictly enforce product manufacturing requirements. And we've established a complete quality management system, so the product quality has a reliable guarantee. Our Services Our products cover universities, research institutes, factories and enterprises, chemical and pharmaceutical, medical, inspection, agriculture, food, supermarkets, metallurgical mines, construction, petroleum, highways, bridges and other industries. Based on excellent performance, fast and thoughtful service, and great value, our products are well recognized by domestic and foreign merchants. In the production process, we strictly implement product manufacturing requirements. And we have established a complete quality management system to ensure reliable product quality.10L Rotary Evaporator manufacturers website:http://www.china-labequipment.com/

cheap Lithium Battery Electric Scooter

cheap Lithium Battery Electric Scooter 鈥籛arranty And Service: 1.1% spare parts will be provided for full container order 2. 3 years warranty for the frame, 2 years for lithium battery, 2 years for charger, controller 鈥?/strong>Our Advantages: 1. 15 years production experience 2. Fast delivery 3. SGS audited factory This ebike is a very popular and classic model which sells very well in many markets such as Israel, USA, European countries, etc. Besides, OEM and ODM service are always available. We have been in ebike business area for since 2006. With 15 year exporting experience, we are always capable of satisfy our customers. We have our own team for research and development. Our annual production capacity reaches 50,000 units.cheap Lithium Battery Electric Scooter website:http://www.hangpaiebike.com/ website2:http://www.hpebike.com/

Stainless Steel Sheet And Plate

Stainless Steel Sheet And Plate Product Description Duplex Stainless Steel (DSS) describes approximately 50% of ferrite and austenite and Steels also contain alloying elements such as Mo, Cu, Nb, Ti, and N. Content, the Cr content is 18% to 28 percent, and the Ni content is 3% to 10%. Some Contains less than 30 percent of stainless steel. In the case of diminished C This type of steel unites the characteristics of ferritic and austenitic stainless steels. In comparison with ferrite, it has higher plasticity and toughness, no brittleness at room temperature to intergranular corrosion and welding functionality, and in the same time retains iron. The 475 brittleness and high thermal conductivity of the stainless steel make it superplastic. Compared with austenitic stainless steels, they have high durability and resistance to chloride stress corrosion resistance and intergranular corrosion. Duplex stainless steel has corrosion resistance and is also a nickel-saving stainless steel. Production Rang : -2507 Cold Rolled Stainless Steel Sheet and Plate , Cold rolled 2507 sheet, Cold rolled 2507 Plate Thickness0.2mm - 3.0mm Thickness3.0mm-8.0mm, special for cold rolled Width300mm - 2000mm, the narrowed products pls check in strip products Length1000mm-6000mm Finish2B, 2D For more details, pls free to contact me. -2507 Hot Rolled Stainless Steel Sheet and Plate , Hot Rolled 2507 Sheet, Hot Rolled 2507 Plate,2507 PMP, 2507 CMP Thickness1.2mm - 200mm Width300mm - 3200mm Length500mm 鈥?12000mm FinishBlack, NO.1, Anneal pickling For more details, pls free to contact me. 2507 mechanical property in different standard 2507Y.S./Mpa 鈮?/p>T.S./Mpa 鈮?/p>E.L./% 鈮?/p>HB 鈮?/p>HRB 鈮?/p>HBW 鈮?/p>HV 鈮?/p> ASTM55079515-32310- JIS------- GB55079515-32310- Production Process and Feature Duplex stainless steel has the qualities of austenitic stainless steel and stainless steel since it has ferritic structure as well as the are essentially exactly the same. The yield strength can attain 400Mpa 550MPa, which can be that of austenitic stainless steel. In comparison with ferritic stainless steel, duplex stainless steel has high toughness transition temperature, and resistance to intergranular corrosion and reliability. At precisely the exact same time, it keeps some features of ferritic stainless steel, for example as 475 brittleness and warmth. Conductivity, properties, superplasticity and little growth coefficient. In comparison with stainless steel, the potency of duplex stainless steel is high the yield strength is enhanced, along with the properties like pressure corrosion resistance, corrosion resistance and corrosion fatigue resistance are enhanced. Duplex stainless steels are classified according to their chemical composition and can be classified into four types: Cr18 kind, Cr23 (excluding Mo) kind, Cr22 type and Cr25 type. For Cr25 kind duplex stainless steel, it can be divided into form and super duplex stainless steel. Among these, Cr22 kind and Cr25 type are utilized. The duplex stainless steel used in China is produced in Sweden. The specific grades are: 3RE60 (Cr18 kind ), SAF2304 (Cr23 type), SAF2507 (Cr22 kind ), SAF2507 (Cr25 type). 2205/2507 duplex stainless steel performance characteristics On account of the qualities of this two-phase structure, the duplex stainless steel has the benefits of ferritic stainless steel and austenitic stainless steel by properly controlling the chemical composition and heat treatment procedure, and it will have exceptional toughness and weldability with austenitic stainless steel and iron. High resistance and strength of tempered stainless steel The combo of chloride stress corrosion properties, these properties create duplex stainless steel grow as a structural material. Since the 1980s, it has come to be a parallel using ferritic, austenitic and martensitic stainless steels. Steel. Duplex stainless steel has the following performance features: (1) Molybdenum-containing duplex stainless steel has great resistance to chloride stress corrosion under stress that is reduced. Ordinarily, 18-8 types austenitic stainless steel is more prone to stress corrosion cracking in neutral chloride alternative over 60 掳C, and heat exchangers, evaporators, etc. created of these stainless steel in industrial moderate of follow chromium and hydrogen sulfide. A propensity is to generate stress corrosion cracking, whilst duplex stainless steel has great immunity. (2) Molybdenum-containing duplex stainless steel has resistance that is pitting. The duplex pitting potential of this duplex stainless steel is comparable to that of the austenitic stainless steel as it has exactly the exact same pitting resistance equivalent worth (PRE=Crpercent +3.3Mopercent +16Npercent ). The corrosion resistance of duplex stainless steel and stainless steel is similar to that of AISI 316L. The corrosion resistance of 25 percent Cr-containing, particularly high-chromium duplex stainless steels surpasses that of AISI 316L. (3) It's good corrosion fatigue and wear corrosion resistance. In certain corrosive media's case, it is acceptable for producing electricity equipment such as pumps and valves. (4) Has fatigue durability and high strength, and its yield strength is that of 18-8 austenitic stainless steel. The elongation from the solution condition is The comprehensive properties are great. It 25%, and the toughness value AK (V-notch) are above 100J. (5) Fantastic solderability, cracking tendency that is non no preheating after welding, and may be welded to 18-8 kind austenitic stainless steel or carbon steel. (6) The duplex processing temperature of the duplex stainless steel comprising low chromium (18% Cr) is wider than that of those 18-8 austenitic stainless steel, and the resistance is modest, and the steel sheet could be straight rolled and wrapped without repainting. The sexy processing of duplex stainless steels containing high chromium (25% Cr) is marginally more challenging compared to austenitic stainless steels, also may be used to create plates, wires and tubes. (7) Compared with 18-8 type austenitic stainless steel through cold working, the work hardening effect is big. After the tube and the plate are subjected to deformation, big stress is required to deform. (8) In Comparison with stainless steel, it's a Appropriate for creating panels and for use as a liner for gear. For creating heat exchanger expires, heat transport efficiency is Acceptable A little along with thermal conductivity coefficient of growth, and is Greater than austenitic stainless steel. (9) Stainless steel, which should not be used in working conditions above 300 掳C. The reduced the chromium content in duplex stainless steel, the less harmful the brittle phase such as 蟽. There are various Delicate tendencies of ferritic Application Heat exchangers and showers And apparatus for seawater, higher fever, concentrated nitric oxide, etc., for optimizing, fertilizer, paper, oil, chemical, etc..Stainless Steel Sheet And Plate website:http://www.huaxiao-stainless-steel.com/stainless-steel-sheet-and-plate/

Bulk Auto Relay

Bulk Auto Relay General Data Contact Form1A, 1B, 1C, 1U, 2A Contact MaterialAgSno2 Max,Operating Current40A Max.Operating Voltage27VDC Rated Load锛圧esistive load锛?/p>1A:40A 13.5VDC 20A 27VDC 1C:NO/NC 40A/30A 13.5VDC 20A/15A 27VDC Insulation Resistance100M惟 Dielectric Strength锛圕oil and Contact锛?/p>500VAC/M Ambient Temperature-40掳C~+85掳C Operate/Release Time10ms/10ms Mechanical Llife1 X10鈦?/p> Electrical Life1 X10鈦?/p> Terminal TypeTerminal About product: Application range Widely used 1. Low power consumption Relay coil power consumption, the use of low power design Copper coil Strong electrical conductivity, not easy to heat and wear resistance Nylon material is resistant to high and low temperature The shell is made of nylon with good insulation resistance and resistance Voltage performance and easy machining 2. Silver contacts have high sensitivity The relay is made of silver to ensure high current through 3. The copper coil conducts electricity well Copper coil, sufficient winding, simple structure, strong electrical conductivity Easy to use 4. Output stabilized nylon raw copper terminal Durable use, high and low temperature resistance, energy saving and consumption reduction Strong electrical conductivity large silver contact source goods Stable, reliable, convenient, large installation and good price 5. Output stabilized nylon raw copper terminal Durable use, high and low temperature resistance, energy saving and consumption reduction Strong electrical conductivity large silver contact source goods Stable, reliable, convenient, large installation and good priceBulk Auto Relay website:http://www.hungso.com/relay/auto-relay/

CE Disposable Mask quotation

CE Disposable Mask quotation Ningbo Meiqi Tools Co., Ltd. was established in 2003. It is a professional manufacturer specializing in the production of various types of plastic tool boxes and safety protection boxes. Production of professional personal protective equipment since 2020, products include flat masks, KN95 masks, and meltblown cloth Ningbo Meiqi is located in the China international port city - Ningbo. As a global supplier in the disposable mask, KN95 mask products, Ningbo Meiqi is to create added value for customers around the world. 鈥籒Ingbo Meiqi products included: 1.Disposable mask, 2.Disposable medical mask 3.KN95 mask 4.KN95 medical mask 鈥籘he disposable masks and KN95 masks are widely used in the following scenarios: 1. Daily protection 2. PM2.5 protection 3. Industrial dust protection 4. Pollen protection 5. Flu protection 鈥籓ur Certificate: We always feel that all success of our company is directly related to the quality of the products we offer. They meet the highest quality requirements as stipulated in ISO9001, ISO14001 guidelines and our stringent quality control system. 鈥籔roduction Equipment: Disposable mask production line, KN95 mask production line 鈥籔roduction Market: We have customers from both domestic market and oversea market. our sales managers can speak fluent English for good communication. Our main sales market: North America 35.00% Southern Europe 25.00% 鈥籓ur Service: We control the product quality critically for every step during the manufacturing. We offer technical support that is second to noneCE Disposable Mask quotation website:http://www.meiqi-mask.com/