Shenzhen Xunling Industrial Company Limited was established since 2010 which gradually developed rapidly in the screw and spring industry. Today, our products including screw, bolt and spring are wide...

NO.168 wenxiang east road

SHANGHAI YINGCHENG PHOTOELECTRIC THCHNOLOGY CO.,LTD. is a professional manufacturer with independent research and development capability on all kinds of optical filters (including filters for mobile p...