Gate valve is a widely used valve, which is sealed by contacting the valve seat and gate. Usually, the sealing surface will be overlaid with metal materials to increase wear resistance.It can only be fully opened and closed, not adjusted or throttled.The customer contacted us and said that he wanted to consult the relevant information and questions of the gate valve. We gave the reply and answer as soon as possible, and provided the customer with our samples, so that the customer could have a deeper understanding. This made the customer very satisfied with our service, and this pleasant cooperation began.