Product standardization itself includes three meanings: (1) Product variety specifications Serialization-will be the same class of products, the main parameters, type, size, basic structure, and so on, into a series of products, to a smaller variety of specifications to meet the user's broad needs; (2) The generalization of components-- Parts of the same type or type of product with similar structure (e.g. bolts, bearing seat, coupling and reducer, etc., after reunification to achieve universal interchange; (3) Product quality standardization-product quality is the "lifeline" of all enterprises, to ensure product quality and stability must be well designed, processing technology, Assembly inspection, even packaging and transportation, such as the standardization of links. In this way, in order to compete in the fierce market invincible.