Supply-demand relationship is a prerequisite for the rapid development of an industry. At present, the market demand is great, but the supply side is slightly inadequate. In particular, there are not many companies with core intellectual property rights and excellent product quality, and the industry as a whole lacks a brand effect. In the stage of strong demand, there is no doubt that the industry has huge demand and good development prospects. But how to maintain the industry's healthy, stable and sustainable development requires the joint efforts of industry companies, especially the need to play a faulty R & D spirit, further improve the production process, reduce costs, truly solve the actual difficulties of customers, and strictly control quality , To provide the most reliable products.