... high efficiency adopt direct cooling mode 2.reduce the running cost 3.environmental adaptability 4.Maintenance convenience 1. Aluminum oxide ... operation, environmental adaptability, and easy maintenance. 3. Aluminum oxide chiller for surface treatment like Hard Oxidation chiller, ... Anodic Oxidation Chiller, Aluminum Oxide Chiller, Zinc-Plating Chiller, Tin-Plating Chiller ...