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1、Brife:  Manganese Series Phosphating can form a type of crystalline lens of phosphating film in the surface of Steel and iron. This type of phosphating film can improve the wear resistance…

Spinning pulley, as a new type of pulley structure, has been widely used in various industries due to its high precision, material saving, good dynamic balance and no environmental pollution.…

Electric motors are widely used in life, and they are used for many purposes. Some motors are used in common situations and are also useful in special workplaces. For example,…