Cold Room, Cold Storage, Tunnel Freezer manufacturer / supplier in China, offering Industrial Refrigeration Equipment Compressor Unit Refrigeration System Price with R717/R404A/R507 Refrigerant, Industrial Blast Freezer Cold Room Storage Refrigeration Equipment Compressor Unit Refrigeration System Price, Parallel Screw Compressor Unit Industrial Cooling Ammonia Refrigeration System for Cold Room Cold Storege and so on.