Category Iv (Chinese companies list)

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: Electrical Tools, Mechanical And Electrical Engineering, Medical Gas Engineering, Electronics And Intelligent Engineering, Shielding Project, Electrical Equipment, Processing, Cable, Maintainance, Sales Of Medical Devices, Fire Facilities Engineering, Special Gas Engineering, Boiler Installation, To Assemble, Municipal Public Works, Undergraduate Level Four, Laboratory Engineering, Stay, Cable, Exhaust Gas, Category Iv ...