Our company inherits the aim of the customer is first and the service is first to provide the first-class service duly and effectively for the customer. If you meet the question or difficulty while using  the vacuum equipment of our company then you can reflect to our company according  to the flow. You can call to the sales department .TEL:0576-88885000   88895000  88896000 You can reflect to the production department directly. You can reflect to quality management department when come to the company for the maintenance. You can reflect the use case to the maintenance personnel of our company directly while making house calls.