Keyhold Electronics(Shenzhen)co.Ltd.which located in Gangbei industrial estate, Ailian baohe road, Longgang district, Shenzhen city, is a manufacture speciallized all advanced film *****, from Japan, Taiwan, Germany, Italy, ***** promoting our technology profress and upgrading ...

Tongyu Electronics Co.,Ltd. was established in June 2001.The company advocates the philosophy of "People -oriented,moving forward with times,innovation and development".The are always following service tenet:Honest working, Keep improving,Quality first,Customer ...