Alcohol Tester manufacturer in china.Greenwon is located in Shenzhen baoan district, Gunagdong Province. Our company is mainly engaged in the development, production of electronic gift and health care products. Our products include electronic items such as personal alcohol breath tester , UV tester, radiation detector etc. .Our health care products include Pill box timer , blood pressure monitor etc..For manufacture we have two production line . We have professional sales person and engineer .With their hard work , we have established a good business relationship with some brand company.We have our main markets in Europe, America, Southeast Asia and part of Africa. Our electronic products cover pill timer boxes, SIM card backup devices and alcohol breath testers. Our customers are merchants and dealers from all over the world.Our ideas, technologies and activities help to create a better world. Greenwon Store Grou is a committed to universal values, good cooperating citizenship and a healthy environment. Integrity guides our conduct toward our employees, business partners and shareholders.Our principle is "talents first and developing market by technology". Our company endeavors to provide a sound environment and atmosphere for our employees, making it an ideal place for them to realize themselves values most rewardingly.We will do our best to become your mutual beneficial partner and make progress together. Please feel free to contact us for detailed information and cooperation.