Castel Solenoid Valve (Refrigeration system controls)

CNAU is a shareholding system company specialized in trade of refrigeration compressors, freezing and air conditioning components. We have abundant technology with excellent service working team.

We have various products, now representing and selling more than 10 brands refrigeration products such as L'UNITE HERMETIQUE Compressors, COPELAND Compressors, BITZER Compressors, DANFOSS Controls and Valves, ROLLER Air Cooler, CASTEL Valves etc. And we are general agent for ROLLER in the south of China.

Meanwhile, we have researched and developed our own brand CNAU. Now we produce Relief Safety Valves, Moisture Indicators, Refrigeration Oil Separators, Suction Line Accumulators, Liquid Line Filter Driers, Fans and Motors, Condensers, and Air Coolers with their own brand CNAU. Our products have passed ISO9001-2000 approval, having Quality Certification for Export. They have been exporting to lots of regions and countries such as Australia, USA, Eastern Europe, Southeast Asia, Hong Kong etc.

CNAU has won good word-of-mouth for her great strength, abundant experience and perfect reputation at home and abroad. We promise to provide high quality products with perfect after-sale service.

We hope to create a splendent future with you by our first-class products and pure-hearted services.