Valve world expo is a professional valve exhibition in the world, involving the shipbuilding department, automobile and automobile engineering, chemical industry, power supply industry, marine and offshore industry, food processing industry, machinery and factory construction, etc. using valve technology. It is the top feast of the valve industry. In this exhibition, Fangzheng valve group consolidated the existing cooperative relationship, and also explored a large number of potential customers to further improve the quality and popularity of Fangzheng valve.