Types of anodizing:  Type I Anodizing - Chromic Acid also known as CAA or Chromic Acid Anodize.  Type II Anodizing - Sulfuric Acid or Sulfuric Acid Anodize SAA.  Type III Anodizing - Hard coat or  Hardcoat Anodizing HCA.
  ANODIZING SYSTEMS PLATING SYSTEMS SPECIALTY FINISHING ENVIRONMENTAL  

Walgren Asia Finishing Equipment Ltd.

environmental management

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The Walgren manufacturing facility in Gongguan, China is dedicated to the design, manufacturing and commissioning of advanced metal finishing systems for Koch Enterprises, Inc. Koch LLC Price-Koch Industries Price Walgren, LLC