We are professional drill pipe factory with ISO, API, GOST ceritificate to produce API 5DP oil drill pipe, drill collar, water well drill pipe, geographincal drill pipe, tool joints, etc....
We are professional drill pipe factory with ISO, API, GOST ceritificate to produce API 5DP oil drill pipe, drill collar, water well drill pipe, geographincal drill pipe, tool joints, etc....
Tianjin Qiangli Pneumatic Tools Commerce & Trade Co.,Ltd stands as the foreign sales company of Qiangli Pneumatic Machinery Factory, which mainly produce various kinds of pneumatic rock drill, drill bit and other penumat........
Tianjin Qiangli Pneumatic Tools Commerce & Trade Co.,Ltd stands as the foreign sales company of Qiangli Pneumatic Machinery Factory, which mainly produce various kinds of pneumatic rock drill, drill bit and other penumat........
Changsha Chaojingang machinery manufacturing Co., Ltd is a modern high-tech enterprise, which is specialized in researching and manufacturing rock drilling machine and pneumatic tools. The company has rich experiences fo........
Changsha Chaojingang machinery manufacturing Co., Ltd is a modern high-tech enterprise, which is specialized in researching and manufacturing rock drilling machine and pneumatic tools. The company has rich experiences fo........
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