How to judge the quality of the electricity cabinet locks, OK?

A look at the electrical cabinet locks material. The locks the basic material on the market divided into stainless steel, copper, zinc alloy. Stainless steel, high strength, corrosion resistance, and industrial electrical cabinet locks does not change color, is the best-made lock material; copper is relatively common, superior mechanical properties, higher prices; zinc alloy extremely resistant, corrosion resistance, and easy molding, and more for the mid-range lock.

Second, look at the lock surface treatment. Surface treatment is broadly divided into three kinds of plating, painting and coloring, good quality locks, the spirit of the use of electricity cabinet locks plating treatment, coating delicate and smooth, even moderate, no bubbles, LOCKS signs of rust and oxidation.