Xiamen Yijia Trade and Industry Co., Ltd Established in July, 1998, is a joint venture. Our company located (a beautiful coastal city China), specializing producing alloy cutting tools, including carbide drill short lips, all kinds of end mills cutters (such ...

Guangzhou JR Diamond Tools Co., Ltd., was established in 2005, and known as Henan Runfa Superhard Materials Factory 1992,.With 20 years of researching developing on super hard materials, it has developed into one the leading enterprises material industry ...