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Factory central air-conditioning project
Central air-conditioning works for office buildings
Ground source heat pump system drilling, testing pressure
Clean room operations, indoor unit installation
Outdoor unit lifting
Central heating system
Indoor and outdoor piping welding , installation
Pipe descaling and painting, welding groove
Duct insulation and assembly work
Duct Lifting
Central air-conditioning system for factory buildings
PVC colored shell insulation outer protection system
PP ventilation duct assembly operation
Stainless steel pipe argon arc welding operation
Seamless steel pipe inspection and welding operations
Stainless steel pipe argon arc welding operation
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