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Bangyong Technology Co.,Ltd.
http://www.dl-bykj.cn
H2-Chem Co.,Ltd.
http://www.h2-chem.cn

Office.: 1-16,No.207, B of Hongxinghai , Development Zone, Dalian-116600,China
R&D：Building 8, Zhongke Jinpu Scientist Achievement Transformation Base, Shuang D4 Street, Development Zone,Dalian-116600,China
Email: sales@dl-bykj.cn; info@dl-bykj.cn

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