We are the professional enterprise with new and high technology and integrates with the design, manufacture and the We persists in enhancing the capacity of scientific and technological innovation as basis humanistic knowledge-based as their duty and try best to make the living environments be comfortable and economic.We are specalized in HVAC Auto Control product and relevant components such as contactors and relays used on HVAC system, quiklok fittings used on manifold fittings.To the HAVC Auto Control product, we produce the Thermostats, Motorized valve, , Sensor, Transmitter, and the Control System Components. Whatâ??s more, we manufacture the thermostatic Radiator Valve, Temperature Control Valve, Thermo-electric Actuator, manifold Fittings and elements. Most of our products have got CE, UL, TUV, ROHS certifications, and over fifty products got patent protections, three products won High-tech Transformation Award , also we established the fund for the projects support and two products got Software Copyright Registrationcertification.To the contactor, we produce different series of contactor, AC contactors, DP contactors, light contactors, magnetic contactors, power relays, potential relays, switching relays and transformers, disconnect boxes, enclosure boxes, whips, and Master Distributor of HVAC-R products. Over 200 kinds of main products as above are approved by UL, CSA, VDE, TUV, CCC, CE, and ROHS.To the Quiklok Fittings, we produce Quiklok Copper manifold, PEX copper manifold, O-ring sealed copper fitting, Brass female connector, Joining copper, CPVC tube, PEX tube, Trap, O-ring iron fitting, and Boiler&Water heating tube. Most of them can be used in Heating Supply Auto Control system. For these products, we got the IAPMO, ISO2001 certifications. Most of our product meet UPC, CPUC requirements.We always treats customers as the important core, we believe quality + service = customer satisfaction. We expect that in these product area in the world, there is famous brand comes from China, her name is HJThank you for reviewing our website and we look forward to working with you!