Kotex Development Holdings Ltd is a leading alcohol breath tester manufacturer based in Hong Kong since 1988. We only manufacture alcohol breath tester products and nothing else. Our factory is located in the high-tech zone of Shenzhen, China. We have exported over 1.5 million units of alcohol testers worldwide to different importers and retailers. We have a very strong history of supplying to mature market of alcohol testers for example Scandinavia (Sweden, Norway, Finland) for 20 years, North America supplying the world's biggest chain stores for 15 years, and also fast growing market like Eastern Europe and Russia.We are the only manufacturer in the market to have products currently retailing (in over 20,000 stores) at the biggest retailers in the world for example Walmart, Costco, Best Buy, TARGET, Walgreens, CVS for 15 years consecutively. Our high quality of products are trusted by these renowned retailers. Apart from retailer stores, we also supply our products in online marketplace such as Amazon.We have a wide spectrum of products ranging from legacy semiconductor sensor to the most accurate models with police-grade platinum electrochemical fuel cell sensor. Our fuel cell alcohol testers are at a very competitive price so everybody can enjoy the fuel cell accuracy! For quality certifications, our products are complied with CE / EMC / RoHS / FDA / DOT / AS3547.With our strong client credentials and product-focus history as described above, we are sure we could meet your product expectation, please feel free to contact us for distributing opportunity! Sincerely yours,John ChanSales ManagerKotex Development Holdings Ltd