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Bangyong Technology Co.,Ltd.
Http://www.dl-bykj.cn
Add.: No.207, B of Hongxinghai , Development Zone, Dalian,China
H2-Chem Co.,Ltd.
Http://www.h2-chem.cn
Add : NO.44,Haizhou Fluorine Chemical Industrial Park, Fuxin,Liaoning,China
TEL: + 86-411-66858498
Email: sales@dl-bykj.cn; info@dl-bykj.cn

:+1-720-543-3528        :sales@dl-bykj.cn