ADD:No.207, B of Hongxinghai District, Economic&Technological Development Zone, Dalian,China
TEL:+86-411-66858498
FAX:+86-411-66858499
EMAIL:sales@dl-bykj.cn
CAS NO.: 641-57-6...
CAS NO : 162607-19-4...
CAS NO.:1416814-68-0...
CAS NO.:1643848-13-8...
CAS No.: 21711-52-4...
CAS No.: 1141-35-1...
CopyRight 2014-2021 All Right Reserved Bangyong Technology&H2-Chem ICP:08118166 Powered by Justsoft Sitemap