DHC is specializing in the production of grain and oil machinery and equipment, scientific research, manufacturing, sales for the integration of large-scale private enterprises, the company with the mechanical design and research institute of local university of technology university-enterprise cooperation, carried out for a long time in oil machinery, preparing protein, lecithin extraction and other aspects of the research and development and application of new technology. The main machine line including Essential oil distiller, Oil pressers, Nut roasting machine, Soap machine and Refining machinery ect, can also provide customized service according to the customers' request.