General Projects: Sales of special equipment for oil drilling, Oil and gas technical services, Machinery and equipment rental, Petroleum product sales( No hazardous chemicals), Deep-sea oil drilling equipment sales, Machinery and equipment sales, Mechanical equipment research and development, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Instrument sales, Retail of computer software, hardware and auxiliary equipment, Wholesale of computer hardware, software and auxiliary equipment, Specialty chemical product sales( No hazardous chemicals), Mechanical parts、 Parts Sales, Office supplies sales, Import and export agent, Import and export of goods。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects: Dangerous chemical operations, Gas Operation。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.)