"Metaline" can refer to several different companies, so the "about us" depends on which one you mean. Two prominent examples are MetaLine Surface Protection GmbH, a German company specializing in surface protection coatings and repair solutions for industrial use, and Metaline Industrial Limited, a global OEM manufacturer based in China that focuses on plastic injection molding, tool making, and assembly for products like outdoor gear and electronics. Other companies include Metaline LLC in Dubai, which fabricates architectural metal elements, and Metaline Products Inc., a custom metal fabrication manufacturer.