Hengsen Machine-Electrical Co., Ltd.(Member of Hengsen Industrial Group) 
The company professionally manufactured refrigeration / HVAC / plumbing / auto air conditioning products. 
1) HVAC: zone spring return valve, motorized ball valve, thermostat, electrothermal valve etc. 
2) Auto aircon products: manifold gauge, charging hose, other aircon fittings. 
3) Refrigeration related: refrigeration ball valve, air conditioning valve, hand valve, sight glass. 
4) Plumbing: copper fittings, solenoid valve. 
ODM/OEM service available

Specialties
HVAC, refrigeration, pipe, auto air condition tools, zone valve, motorized valve, manifold gauge, hand valve, motorized ball valve, air conditioning valve, charging hose, solenoid valve, electromagnetic valve