 Beijing Heng man sheng International trade Co., LTD, is a
professional production of non-ferrous metal of large companies
limited by shares. The company has set up the right market
orientation and management idea, good enterprise image and
reputation, and has won the general customers approval. Beijing
Heng man sheng trade Co., LTD, has passed ISO9001/2000 quality
authentication system. After a long hard, forming a professional
production of copper, aluminum, zinc ingots ingot, lead pounds Co.,
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