Shenzhen MM Electronics Co., Ltd,   Located in  The beautiful coastal city, Shenzhen, China.   It is mainly engaged in  Electronic cigarette chip industry for more than 4 years with strong R & D capability, stable quality and perfect after sale service  Since 2010  .
Shenzhen Yongchangtai Electronics Co., Ltd. Was established in March 2009, focusing on PCBA design, production, OEM, component procurement, SMT, DIP processing, testing. Is committed to providing customers with one-stop electronic product manufacturing services of national high-tech industry.