Shenzhen TF electronics co.,ltd serving as a professional electronic component supplier with reputable track records. We have had sales experience of Electronic Components for over ten years. believe in providing products and services unsurpassed quality to attain ultimate end-users ...

Shenzhen Zhengyuan Software Co., Ltd. is a manufacturer dedicated to research and manufacture of the wireless transmission products surveillance products. We have experienced researchers engineers, including 2 doctors more than 70% workers with bachelor degree above provide customers ...