Shenzhen, China. Our company is specialized in the design, production, sales and after-sales service of electronic cigarettes. Our factory is located in Shenzhen which is one of the biggest electronic cities worldwide. Quality is the most important. We have both a design engineer team and an electronic engineer team. One team designs the best and the newest e-cig shapes for clients and the other team designs e-cig battery interior circuits and inside atomizers. We have an IQC team to test ...