As far back as march 2016, manguan made a site visit to guangzhou, shenzhen, shanghai and dalian, led by general manager zhu yongbin, to gain insight into research and development capabilities, production capacity, recreation level, equipment performance, etc. After a field trip to 36 enterprises, zui eventually selected more than 20 enterprises as the first providers of a deal, and we can provide customers with the zui mainstream, high-value equipment available on the market. The virtual realization of birds' nest has been in operation since 19 may 2016. Each of the incoming units was subjected to stress and failure tests. So each of the devices that we recommend for you is a product that has been tested to be relatively mature and has a lower failure rate. Through the "beijing+guangzhou" model of after-sale radiation, china will be able to solve the problems of customers from the south to the north, help them solve equipment failures in zui in a short period of time and guarantee the proper functioning of union stores. In the near future, china will also open after-sales centres in qingdao, chengdu and liaoning to upgrade post-sales capacity and bring better and more caring services to clients。