Handle definition:Handle for easy installation of the door switch on the door of the components, industrial box in the handle of the form and function very much, and the quality to be better than normal handle. Handle material: Handle a variety of materials used, but mainly stainless steel, zinc alloy and iron and aluminum these types of industrial materials with the handle of stainless steel and zinc alloy are mainly two, there are aluminum, the handle in the use of industrial performance and the use of environmental requirements are relatively high, so its all aspects of materials and processing technology is relatively more stringent requirements, only stainless steel in accordance with the requirements of different jobs there are 201 stainless steel, 306 stainless steel and 304 stainless steel. Of course, handle in all aspects of industrial performance and quality are much better than normal handle. Handle surface treatment: Better handle a variety of sub-surface treatment methods, according to handle different materials have different surface treatments, stainless steel mirror polished surface treatment, surface drawing, etc.; zinc alloy surface treatment generally have galvanized (coated white plating, plating color zinc), plated chrome, pearl chrome plated, matt chrome, Ma face black, black paint, we can also do according to the requirements different surface treatment.