Screw Compressor, Plate Freezer, Tunnel Freezer manufacturer / supplier in China, offering High Quality Screw Compressor Refrigeration Unit for Cold Storage, High Anti-Corrosion Open Type Two-Stage Screw Ammonia Refrigerant Compressor for Cold Room, Efficient Semi-Seal Screw Refrigeration Compressor Unit Freon Series Supporting Condensing Unit for Cold Room and so on.