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Address: No. 67 Gangshi Street, Dagang Petrochemical Industrial Park, Binhai New Area, Tianjin
Tel：+86-022-63233205 Fax：+86-022-63233308
Sales of sulfuric acid：18622503313 Yao Chunxia, 15922118803 Meng Qingzheng, 13752061188 Tong Huichuan

Sales of dyes, pigments, intermediates：+86-022-23986858、+86-022-23989158
Fax：+86-022-28283852 zip code：300384
Address: Chengcun North, Jinlai Highway, Xiqing District, Tianjin