Hainan Huisheng International Energy Development Co., Ltd.

International Industry Category: Mining

International Industry Major Class: Mining professions and auxiliary activities

International Industry Middle Class: Professional and auxiliary activities in the field of oil and gas extraction

International Industry Sub Class: Professional and auxiliary activities in the field of oil and gas extraction

Licensed Projects： Import and export of goods； Special equipment manufacturing； Installation, modification and repair of special equipment； Construction project construction（ Projects that require approval according to law， Business activities can only be carried out after approval from relevant departments） General Projects： Manufacturing of special equipment for oil drilling； Deep-sea oil drilling equipment manufacturing； Deep-sea oil drilling equipment sales； Sales of underwater systems and operating equipment； Development of key supporting systems for marine engineering； Hardware wholesale； Valves and plugs sales； Mechanical equipment research and development； Machinery and equipment sales； Special equipment manufacturing（ Excluding licensed professional equipment manufacturing）； Marine engineering equipment manufacturing； Offshore engineering design and module design and manufacturing services； Underwater system and operation equipment manufacturing； Special equipment repair； Sales of labor protection products； Manufacturing of special equipment for environmental protection； Sales of special equipment for environmental protection； General equipment repair； Special equipment sales； General equipment manufacturing（ Excluding special equipment manufacturing）； Machinery and equipment rental； Sales of special equipment for oil drilling； Oil and gas technical services； Specialty chemical product sales（ No hazardous chemicals）；Chemical product sales（ Does not contain permitted chemical products）； Engineering and technical services（ Planning Management、 Survey、 design、 Except supervision）； Electrical equipment sales； Hardware product retail； Building materials sales； Sales of building decoration materials（ In addition to licensing business， Able to independently operate projects that are not prohibited or restricted by laws and regulations）

Chinese Industry Category: Mechanical equipment

Chinese Industry Major Class: Special equipment manufacturing

Chinese Industry Middle Class: Manufacturing of special equipment for mining, metallurgy and construction

Chinese Industry Sub Class: Oil and gas drilling equipment manufacturing