Exhibit Profile：
Tools - efficient self-sealing devices, new insert sealing tools, continuous cable integrity The body transcancer, new type dual pump combination tool, double pole lifting device and wellhead protection The same layer of separation technology, wellhead cable guide frame, small flat cover, Yang Protective cover, sprinkler head, standby gas valve, etc. Equipment and instruments -- oil and water treatment plant, oil and gas treatment plant, continuous pump system, Fracturing ball detection system,
Tools - efficient self-sealing devices, new insert sealing tools, continuous cable integrity The body transcancer, new type dual pump combination tool, double pole lifting device and wellhead protection The same layer of separation technology, wellhead cable guide frame, small flat cover, Yang Protective cover, sprinkler head, standby gas valve, etc. Equipment and instruments -- oil and water treatment plant, oil and gas treatment plant, continuous pump system, Fracturing ball detection system,
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