South Yongzhong Industrial Park, Longwan District

Wenzhou Longwan Hongguang Copper Products Factory was founded in 1999. We specially manufacture copper alloy products. And we accumulated rich experience in the field of copper processing. We have C36...

Dingtek locates in Beijing, and owns branches in Jinan, Tsingdao, Shenzhen,and Taiyuan. Our company dedicates at GPS/GIS, Embedded system, and automatic controlling. The business includes development...