Market sales of second-hand ball mill products along with the formation of the industry specifications, as well as relevant national policy, has been on the path of more and more formal. But of second-hand ball mill industry market board or some aspects on market sales. For the development of the industry and the market demand in the long run, there are still a lot of unfavorable factors, so, the following several aspects of second-hand ball mill manufacturers still need to reflect on and improve. 
Second-hand ball mill product short board a lies in the quality of products is not transparent. Secondary market of second-hand ball mill products is uneven, for the real user, they would not rule out sales bombing by some manufacturers, as well as low price temptation, thus to buy quality and expected difference is very big of second-hand ball mill products. 
Another aspect of second-hand ball mill debugging installation personnel of specialization. Of second-hand ball mill on the source of products, because many of the maintenance period, so manufacturers of professional and technical personnel professional installation and debugging for the machine unable to dock with the secondary sales, there have been a lot of problems in the process. 
Second-hand ball mill product quality and equipment installation and debugging is a lot of second-hand ball mill manufacturer, so on the purchase of the product must choose normal manufacturer.