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Henan Shenlong Petroleum Drilling Tools Co.,Ltd
Henan Shenlong Petroleum Drilling Tools Co., Ltd is one of TOP 5 manufacturers producing drill collar, heavy weight pipe. We are Sino-USA Joint venture. USA partner from MIT, they experts metal materials. have strong fund and technology background. Our registered investment RMB10, 000, first ...
Telephone:86-391-6635039Address:Yugong Road,Technology and Industrial Garden, Jiyuan, Henan, China
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