Protec Arisawa AmericaCalifornia, United States
OSAKA SODA CO., LTD.Osaka-fu, Japan
Tianjin Ringpu Bio-technology Co., Ltd.Tianjin Shi, China
Arvia Technology Ltd.CHESHIRE, United Kingdom
Linde LLC
Stars Tech Co., Ltd.Seoul-t'ukpyolsi, South Korea
Zhejiang Heliheiko New Material Co., Ltd.Zhejiang Sheng, China
Hubei Yihua Group Co., Ltd.Hubei Sheng, China
Jiangsu Salt Industry Group Co. Ltd.Jiangsu Sheng, China
Guizhou Yihua Chemical Co. Ltd.
Chengdu Kelong Chemical Co., Ltd.Sichuan Sheng, China
Jiangsu Hualun Chemical Co. Ltd.Jiangsu Sheng, China