Founded on March 26, 2007, Tianjin R-Switch Import & Export Co., Ltd. is a trade-specilized corporation based on semiconductor device exporting. Our main four kinds of products are as followes: First, semiconductor devices, spare parts and...

Tianjin HongRun Machinery Co,. Ltd is founded in 2008 June, is a technology company for manufacturing of diamond tools machinery and equipment. Our company location in Tianjin Binhai new District Xinda industry park, geographic position superiority...