Tinjin Dingdian Shengyu Petroleum Technology Service Co., Ltd.

International Industry Category: Scientific research and technical services

International Industry Major Class: Professional technical services

International Industry Middle Class: Industrial and professional design and other professional technical services

International Industry Sub Class: Other unlisted professional technical services

General Projects: Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Information system integration services; Information technology consulting services;Chemical product sales（ Does not contain permitted chemical products）; Engineering Management Services; General equipment repair; Petroleum product sales（ No hazardous chemicals）; Sales of special equipment for oil drilling; Synthetic material sales; Machinery and equipment sales; Special equipment repair; New car sales; Machinery and equipment rental; Special equipment rental; Sales of special equipment for environmental protection; Motor vehicle repair and maintenance; Sales of power electronic components; Power facility equipment sales; Electric dynamometer motor sales; Power generation technology services; Sales of special electronic equipment; General mechanical equipment installation services; Mechanical and electrical equipment sales; Special equipment sales; Refrigeration、 Air conditioning equipment sales; Pump and vacuum equipment sales; Sales of needlework textiles; Hardware product retail; Electrical accessories sales; Sales of metal parts for construction; Building materials sales; Mechanical parts、 Parts Sales; Office supplies sales; Office equipment supplies sales; Sales of labor protection products; Firefighting equipment sales; Deep-sea oil drilling equipment sales; Electrical equipment repair; Sales of metal chains and other metal products; Metal tool sales; Non-ferrous metal alloy sales; Sales of non-metallic minerals and products; Metal material sales; Software Sales; Information security equipment sales; Sales of industrial automatic control systems; Electronics sales; Sales of metal packaging containers and materials; Metal structure sales; Sales of metal wire ropes and their products; Domestic freight forwarding; Gas compression machinery sales; Sales of generators and generator sets; Metal cutting and welding equipment sales; Instrument sales;Labor Services（ Excluding labor dispatch）; Conference and Exhibition Services; Electrical equipment sales; Sales of micro motors and components; electric wire、 Cable Operations; Valves and plugs sales; Electronic components retail。（ Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license） Licensed Projects: Construction Engineering Design; Import and export agent; Technology import and export; Import and export of goods。（ 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.）

Chinese Industry Category: Trade and Retail

Chinese Industry Major Class: Commodity wholesale

Chinese Industry Middle Class: Chemical product wholesale

Chinese Industry Sub Class: Chemical raw materials wholesale