Shanghai Zhengyu Special Alloy Co., Ltd.

[ Manufacturer ]Main business are Special alloy and additive.

Chongqing Richu Strontium Co., Ltd.

[ Manufacturer ]Main business are Strontium metal

Shanghai Etrustin Chemical Co., Ltd.

[ Manufacturer Trader ]Main business are Chemical product, Medicine pesticide intermediate, Flame retardant of plastics, Rubber accelerator