Category Iv (Chinese companies list)

Business scope: Import And Export, Equipment Repair, Undergraduate Level Four, Undergraduate Level Four, Sales Of Mechanical Equipment And Spare Parts, Carry Out Business Activities, Technical Services, Technology Promotion, Technology Import And Export, Level 4 Examination Class, Undertake, Category Iv, Category Iv, Electrical Equipment And Spare Parts, Agent Import And Export, Repair Test,

Business scope: New Energy Development, Undergraduate Level Four, Construction And Technical Consulting Services, Self Operated And Agent Goods And Technology Import And Export, Category Iv, Power Engineering Design, Electric Power Engineering Construction General Contracting Level Three, Level 5 Examination Class,

Business scope: Scale, Electrical Repair, Air Conditioner, Refrigeration Equipment, Building Curtain Wall Engineering, Building Engineering, Building Intelligent Engineering, Plumbing Equipment, Fire Facilities Engineering, Plumbing Equipment, Undergraduate Level Four, Municipal Public Works, Power Engineering Construction, Boiler, Elevator, Electrical Equipment Manufacturing, Lightning Protection Engineering Design And Construction, Engineering Cost Consultation, Electronic Engineering, Steel Structure Production, Category Iv ...

Business scope: Undertake, Waterproof Material Development, Security Door Installation And Maintenance, Fire Proof Glass, Mechanical And Electrical Equipment Installation, Fire Shutter Door, Power Facilities, Busbar Tray, Repair Test, Road General Freight, Fire Proof Door, Electric Equipment, Fireproof Materials, Category Iv, Fire Window, High And Low Voltage Switch Complete Sets Of Equipment, Manufacturing And Sales, Building Intercom Door, Undergraduate Level Four, Building Materials, ...

Business scope: Class A, Undergraduate Level Four, Water Pollution Prevention, Computer System Services, Carry Out Business Activities, Exhaust Gas Treatment, Sales Of Security Technology Prevention Products, Flue Gas Treatment, Environmental Protection Engineering Professional Contracting Level 2, Solid Waste Pollution Control, Air Pollution Control, Repair Test, Sewage Treatment, Air Pollution Prevention And Control Engineering, Level 4 Examination Class, Undertake, Category Iv, Agent Import And Export, Shipping Agency Service, Technology Development, ...