Panjin Liaohe Oilfield Yulong Group Co., Ltd.

International Industry Category: Manufacturing

International Industry Major Class: Other manufacturing industries

International Industry Middle Class: Other unspecified manufacturing industries

International Industry Sub Class: Other unspecified manufacturing industries

Underground perforating gun and accessories processing；Research on petroleum-specific instruments、 Development、 transfer、 consult、 repair、 Serve； Electronic application technology development、 transfer； Instruments、 Electrical and electronic components、 Hardware and electrical material distribution； Machining（ Except special machining）； Well logging technical services、 consult、 transfer； Underground operations、 Perforating equipment development、 Research and Development； House rental、 Equipment rental； building materials、 Decoration materials、 Japanese miscellaneous（ Remove firecrackers）、 Office supplies sales； Rice cultivation、 City labor； Garment processing； Import and export of goods and technology； Property Management； Car overhaul（Branch operations only）； lubricating oil； Chemical products（ Except for flammable and explosive dangerous goods）； computer、 Air conditioning sales and repair； Auto parts sales； Frequency cabinet、 pumping unit、 Oil well equipment maintenance； Other printed materials printing、 Three types of automobile repair business（Branch operations only）； Mobile House； Test equipment repair、 Test kit service； car rental； Oil well technical services； Office equipment repair； Labor protection supplies（ Except special labor protection products） Processing、 Sale； Noise reduction and dust removal、 Harmless treatment of drilling waste mud； industry、 Domestic and medical wastewater treatment； Production and sales of rubber products；Production of mechanical and electrical products and accessories below Category II、 repair、 Sale； Petroleum-specific equipment and pipeline cleaning services； Production of oil drilling equipment and accessories、 Sale； Oil production technical services； Manufacturing of special oil tools、 repair、 Sale； Environmental Protection Engineering； Mechanical equipment、 Manufacturing and maintenance of process equipment； Other human resources services。（ Projects that require approval according to law， Business activities can only be carried out after approval from relevant departments。）

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