Certifications

• Enterprise Honors

  • Outstanding Patent Award
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  • Technological Innovation Award
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  • Demonstration Base of B2B Cross-border E-commerce of “The Tour for Dream “by Alibaba
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  • Changsha Cross-border Trade Association Vice-Chairman Unit
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  • China Construction Machinery Association Member Unit
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  • Executive Director Unit
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  • Executive Director Unit
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• Patent Certificates

  • A frame for bearing roller of micro drilling rig
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  • A micro drilling rig which is center of gravity adjustable
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  • A locking system used for small diameter drilling buckets of rotary drilling rig
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  • A locking system used for large diameter drilling buckets of rotary drilling rig
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  • A new type of hydraulic oil regenerative valve
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  • A new type of slide clamp holder
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  • A new type of slide clamp holder for rotary heads
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  • A new type of variation amplitude movement mechanism
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  • A micro drilling rig with flexible mast
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  • A hydraulic system matching with ultra power of micro drilling rig
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  • A kind of power head hanger for micropile drilling rig
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  • A kind of connection mechanism of luffing rotary mechanism for micropile drilling rig
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  • A kind of double cut double flight auger
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  • A kind of double cut single flight auger
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  • A kind of load sentive outside-valve converging hydraulic system
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  • A kind of single cut single flight auger
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  • Push plate type Core barrel
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  • Cleanning bucket
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  • Multi-functional micro drill rig
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