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NEWS
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　　The core business of Hagrien Holding Co., Ltd. is the R & D and manufacturing of downhole tools and the supply of magnesium alloy materials. Our R & D focuses on new technologies that challenge the harsher environments of oil and gas wells and more difficult reservoirs. Our R & D team is making reliable equipment for fracturing and stimulation of oil and gas wells, and providing support for customers using our equipment and services.
 
 
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  • The mobile phone+8618602921216

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