Our main products are Duplex 2205 Cylinder Oil Pipe
2017-09-05 08:54:42 COMMENT：0 HITS：
Our main products are Duplex 2205 Cylinder Oil Pipe, high-pressure gas cylinders, hydraulic support pipe, pipeline, and other special pipe. After ten years of hard work, among the world's largest enterprises in the forefront of seamless steel pipe, rewrite the history of China's oil casing dependence on imports for a long time, as China's participation in international competition in the industry main force.
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