Tianjin Changying Environmental Protection Engineering Co., Ltd.

International Industry Category: Water conservancy, environment and public facilities management industry

International Industry Major Class: Ecological protection and environmental governance industry

International Industry Middle Class: Environmental management industry

International Industry Sub Class: -

General Projects： Marine Environmental Services； Environmental protection monitoring； International Shipping Agency； Domestic Shipping Agency； customs declaration business； Inspection business； Ship leasing； Emergency rescue services； Marine crew affairs agency services； Inland waterway crew affairs agency service；Labor Services（ Excluding labor dispatch）； Information technology consulting services； Water environment pollution prevention and control services； Environmental emergency management services； Engineering and technical services（ Planning Management、 Survey、 design、 Except supervision）； Ship port services； Wastewater treatment and recycling； Non-residential real estate rentals； Salvage services； Professional cleaning、 Cleaning、 Disinfection services； General mechanical equipment installation services； Office supplies sales； Enterprise Management Consulting； Lubricant sales； Petroleum product sales（ No hazardous chemicals）； Hardware product retail； Daily necessities sales； Retail of computer software, hardware and auxiliary equipment； Retail of arts and crafts and collectibles（ Except ivory and its products）； Daily necessities sales； Firefighting equipment sales； Machinery and equipment sales； Valves and plugs sales； electric wire、 Cable Operations； Rubber product sales； Insulation material sales； General equipment repair； electronic、 Mechanical equipment maintenance（ Excluding special equipment）； Ship towing services； International ship management business； Sales of spare parts for water transport equipment； Seawater desalination； Research and development of unconventional water source utilization technology； Sales of special equipment for environmental protection； Environmental consulting services； Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion； Water pollution control。（ 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： Ship repair； Port operations； Ship inspection services； Inspection and testing services； Domestic ship management business。（ 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: Environmental friendly

Chinese Industry Major Class: Environmental protection services

Chinese Industry Middle Class: Environmental testing and consulting services

Chinese Industry Sub Class: Environmental testing and inspection services