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Shenyang Hengrui Imp.& Exp. Trade Co., Ltd
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About Us
Shenyang Hengrui Import & Export Co., Ltd. is a professional exporter of drilling tools.
Hengrui has established solid relationships with qualified manufacturers. Our products are ISO9001 and API certified, with rights of using API monogram. Our company takes strict quality control and inspection for all products, in order to make products fully meet petroleum production requirements and secure operators' and other personnel's safety. We are looking forward to even greater expansion and ...
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Made of AISI4145H alloy steel, drill collar mainly used between the dill pipe ...
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