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Substructure
  • Details: Structural features of slingshot substructure:  1.The drill floor and the equipment on it can be installed at a low position; and the derrick is erected up to vertical position while the drill floor k...
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CONTACT US

Dongying Haixin Petroleum Equipment Co. Ltd.
Add:Management Committee building,shengli industryzone,Xicheng, Dongying City zone,Shandong,China
Tel:+86-546-7755028
Fax:+86-546-7718870
E-mail:spring.sui@honor-energy.com

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业余时间上网赚钱 互联网赚钱 辽宁11选5 安徽快3代理 98彩票网 2019网赚棋牌项目 纤亿彩票注册 支付宝网赚是真的吗 百度网赚平台是真的吗 澳彩网彩票注册