1 Heshun Refrigeration (national first-class qualification for cold storage construction, leading brand in the cold storage industry, AAAA credit enterprise in Anhui Province, key protected brand in Anhui Province, unit member of the Chinese Refrigeration Society, China Cold Chain Equipment Gold Medal Service Provider)

2 Punk Refrigeration (Top Ten Cold Storage Brands, Anhui Famous Trademark, Enterprise with Level 3 Electromechanical Installation Qualification and GC2 Pressure Pipe Construction License, Hefei Punk Refrigeration Engineering Co., Ltd.)

3 Kende Refrigeration (top ten cold storage brands, high-quality enterprises in the cold storage industry, Kende Refrigeration Co., Ltd.)

4 Dalian Bingshan Group (top ten cold storage brands, Dalian famous trademarks, national petrochemical general machinery industry, national industrial No. 1 in the refrigeration industry, Dalian Bingshan Group Co., Ltd.)

5 Yuyang Refrigeration (Top Ten Cold Storage Brands, Shanghai Famous Trademark, China Environmental Management System Certification, Shanghai Yuyang Refrigeration Company)