Tianjin Jinsheng Metallurgical Product Co., Ltd.

[ Manufacturer Trader ]Main business are Metallurgy and minerals

Heqing Manganese Industry Group Co., Ltd.

[ Manufacturer ]Main business are Manganese product

Tianjin Development Zone Tianneng Commerce & Trade Co., Ltd

[ Trader ]Main business are Nonferrous metal, Hardware minerals.

Tianjin Port Free Trade Zone Zezheng Int'l Trade Co., Ltd.

[ Manufacturer Trader ]Main business are Coal, Coke, Manganese ore etc.