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Company - Description |
No Logo | Great Wall Drilling Tools Co., Ltd. The pre-existence of Mudanjiang Great Wall Drilling Tools Co., Ltd is Mudanjiang Great Wall Oil Petroleum Machinery Factory. It has been organized as a Joint-stock company according to the Corporation Law in 2001. Our Great Wall main products are: BO... We are regularly Selling: drill pipe, heavy weight drill pipe, spiral drill collar, square kelly, hexagonal kelly, bladed junk mill, float valve sub, integral blade string stabilizer, spiral heavy weight drill pipe. Member since 19 January, 2012, China - Heilongjiang | | |
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