The predecessor of our company was Mudanjiang Great Wall Oil Petroleum Machinery Factory, which organized as a Joint-stock according to the Corporation Law in 2001. Our main products are BOP, Drilling Tools, Wellhead Fishing Cementing F type and 3NB spare parts Mud Pumps, Drill Collars, Spiral ...
Telephone:86-453-6595587
Address:No9.Culture Street,Mudanjiang City,Heilongjiang Province,China