随着四化建设事业的发展,各种机具设备迅速增加,我们在特种油品经营中,为了帮助用户解决用油技术疑难问题,做到合理选用油品,开展了“四结合”的应用技术服务,接待用户来访和走访用户相结合,口头咨询服务和信件来往咨询服务相结合,现场调研指导和寄送技术资料相结合,油品化验和查阅随机用油资料相结合。如一九八四年以来先后为河南省塑料 With the development of the four modernizations, various kinds of machinery and equipment are rapidly increasing. In the operation of special oil products, in order to help users solve the difficult problems of oil technology and make proper use of oil products, we have implemented the “four combined” application technology Service, receiving visitors to visit and visit the user combination of oral counseling services and letters from the advisory services combined with on-site research guidance and send technical information combined with oil testing and access to random oil information combined. For example, it has been Henan Province Plastics since 1984