a. 1pc per inner brown box b. 20pcs per standard carton c. custom is acceptable
ISO9001:2015, UL/cUL, Class 2, RoHS
ZHEN HUAN GROUP LIMITED (Shenzhenshi Zhen Huan Electronic Co., Ltd.), was founded in 2008, is the executive director of the Institute of China power supply unit, set product development, manufacturing, sales...