Energy-saving technology promotion services; Manufacturing of special equipment for oil drilling、 R&D and sales; Oil drilling、 drilling、 Well Logging、 Exploration technology development and technical services; R&D、 Manufacturing and sales: Underground intelligent real-time control device, Automation control equipment, gas、 Liquid separation and purification equipment, Special equipment for environmental protection, Special instruments for geological exploration and seismic exploration, Multi-stage fracturing process supporting tools and accessories, Well Tools, Downhole Tools, cementing tools,Completion Tools, Wireless RF Tools and Accessories, Wireless radio frequency technology smart devices and accessories、 Pipeline equipment and accessories, Daily rubber products, fastener, Power electronic components, Distribution switch control equipment, electrical equipment, Metal seals, rubber seals, Construction machinery and equipment and accessories( Except for projects prohibited or restricted by industrial policies); Sale: Agriculture、 Forest、 Mu、 Fishing machinery, computer、 Software and auxiliary equipment, Hardware products, mold base、 Mold standard parts, office supplies, Instruments, Auto Parts, valve, Safety、 Fire-fighting equipment, Metal products( No hazardous chemicals、 Flammable and explosive materials、 Highly toxic substances and precious metals), lighting equipment、 Electronics, Internal combustion engines and accessories, Fracturing truck accessories, Refrigeration、 air conditioning equipment。