Shenzhen Langjietong Electronic Co.,Ltd was established in 2007 and located in Shenzhen where economy develop rapid and transpotation conveninent. The company is professional on all kinds of electronic cigarette research , development, production and Sales. Products sell to countries like USA, Japan, Russian, France, Germany and other countries. The company has its own research engineer, with professional production equipment and detection instrument, all the products are in line with industry