
Henan Eastar Chem. &Tech. Co., Ltd. Was established in 2003, and Have been engaged in export for 20 years, we are fully experienced and have a perfect quality control system. With 2 decades' of devotion to our work, our professional service has won a good reputation among our cooperating partners home and abroad. One of our featured product is Sodium Thiosulfate. Henan Eastar Chem. &Tech. Co., Ltd. is a first-level agent officially authorized by CITIC Metals Jinzhou Co., Ltd. For the product of Sodium ...