Tropicalized air-cooled refrigeration units with sem- hermetlc compressor and evaporator coil for negative temperature -20oC for the storage of frozen fish and meat. Split units with accessories.  I will also be grateful if you will link us to pre-fabricated panel for cold room manufacturers in China for contact regarding our supplies.  We will also need PVC strip curtains for cold room doors and sliding and hinged doors for cold rooms of all sizes.