• Shanghai You Zi Wan Impex Co. Ltd.

  Shanghai You Zi Wan Import and Export Co. Ltd. is a professional industrial products manufacturer service supplier with independent export import right. We manufacture boron, silicon tungsten carbide (blast nozzles, dies, seals, pieces, tiles ect.);export mechanical seals (alumina, ...

  Telephone：86-21-36160633Address：Suite 3002 1st Blg. Lane 1515 Zhangyang Rd. (International Mall), Shanghai, N/A, China

• Yemate Industries Co., Limited

  Yemate Industries Co., Ltd. Specialized in metals, nonmetals and chemicals. We started our foreign trade business since 1996. Our main products are boron carbide powder, nitride powder series of materials their that used the different fields industry, Such as abrasives, refractory etc. ...

  Telephone：86-29-83212332Address：No. 192 Er Huan Nan Lu Dong Duan,