Our head office Shanghai Xinchang Refrigeration & Heating Materials Co. Ltd and its subsidiary company Zhejiang Sanrong Refrigeration Components Co. Ltd are professional refrigeration manufactory in creation, exploitation, design, producing and sale.
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? ? Our products have passed ISO9001: 2000 Quality Administration System, CE , UL approval and ROHS certificate. They are 4-way reversing valves, solenoid valves, ball valves, single direction valves, filter driers, oil separators, suction line separators, oil receivers, heat exchangers accumulators and receivers.

? ? ?Our products have a high reputation both at home and abroad, they have entered Carrier, Trane, Mcquay, Dumham-Bush, Electrolux, York, etc, and exported to Asian-Pacific areas, South America, European and Middle East Countrie

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