
Shenzhen Zhong Ao Refrigerative Facility Co., Ltd supplies and manufactures refrigeration and cold-room components under the CNAU brand, combining broad product coverage with strong after-sales service.
Shenzhen Zhong Ao Refrigerative Facility Co., Ltd operates as a shareholding company focused on refrigeration trade and the supply of cold-room and HVAC components. Through CNAU, the company distributes a wide portfolio of refrigeration products, including compressors, controls and valves, air coolers, and related parts to support cold storage projects and maintenance needs.
Alongside distribution, the company develops and produces CNAU-branded components such as relief safety valves, moisture indicators, refrigeration oil separators, suction line accumulators, liquid line filter driers, fans and motors, and air coolers. As a general agent for ROLLER in South China, it also supports customers with product availability and application support.
CNAU products have passed ISO9001-2000 approval and hold Quality Certification for Export, supporting shipments to markets including Australia, the USA, Eastern Europe, and Hong Kong. The company emphasizes consistent quality and responsive after-sales service to build long-term partnerships with international buyers.

CNAU specializes in the trade of refrigeration compressors and freezing and air-conditioning components, supporting cold-room and HVAC supply needs with a broad product portfolio.
CNAU researches and develops its own brand and produces key refrigeration components, including relief safety valves, moisture indicators, refrigeration oil separators, suction line accumulators, liquid line filter driers, fans and motors, and air coolers.
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The company focuses on delivering high-quality products backed by reliable after-sales service, building strong reputation and long-term customer relationships.