Hejian Tengda Drill Manufacturing Co., Ltd.
Taking pictures, the company certificates are uploading,you can visit other parts of my shop
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company uses the world's most cutting-edge design (CAD / CAM, Pro / E CAD) and manufacturing technology, in strict accordance with API specifications and oil and gas industry standard "diamond drill bits and coring drill fellowship officers" SY/T5217 ...See More Information>>
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The owner has not released selling information yet, please pay more attention to us!
The owner has not released Demand information yet, please pay more attention to us!