Shenzhen Best Electronic Technology Co., Ltd. is a high-tech co***ny specialized in R&D and improvement of core technologies of electronic cigarette. The co***ny is committed to provide healthy smoking products and safe smoke cessation products to the market. Our co***ny is the only supplier of high performance switch of the electronic cigarettes since its establishment. Switches (mostly used condenser microphone switch, Hall switch etc.) were the bottleneck in the e-cigarette industry, i.e. defective ra...