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We are Shaanxi Hainaisen Petroleum Technology Co., Ltd.is engaged in diamond drill bits, diamond core bits ,geological  exploration and mining drill bit of R

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pdc drill bit

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  • shannxi hainaisen petroleum technology Co.Ltd

    • pdc drill bit
    • ZheJiang - China (Mainland) China (Mainland)
    • No.61 Friendship West Road, s w(http://www.global-trade-center.com)Beilin District, Xi'an, China
    • LingminWu
    • 86-029-s w(http://www.global-trade-center.com)86032369
    • 17792s w(http://www.global-trade-center.com)023676
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