Making sand box also has strict requirements, under normal circumstances is the need to design a good drawing, sand box sales, production strictly according to the drawings, there can be no mistake, the selected materials outside the channel and steel plate and stainless steel interior generally network combination, but when production must ensure tightly sealed, Anqiu sand box, breathable welding there can be no place, or prone to casting defects, or even collapse box, miss is as good sweeps clean. EPC sandbox is the production of key equipment. Divided according to different use vacuum flask and a simple single compartment flask and the bottom side of the pump and pump and so on. Compartment in sand casting sand box enables vacuum chamber reaches the most reasonable negative field to the full cast of cast molding boxes outstanding, sand box manufacturers, to prevent shortcomings. On a number of simple shape, uniformity requirement pouring negative field is not high casting, sand box supply, can choose simple sand box. Sand box and molding machine supporting the use of size specifications based on the size of your mold on tailor-made products at this and lower tanks of two parts, the conventional products: the upper and lower box height of each of 100mm sand box factory, giant Long Industrial (certified), sand box provided by the Shandong Anqiu Julong Industrial Development Limited. Shandong dragon Development Co., Ltd. (www.julongshiye.com/) Shandong Weifang, machining leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Industry leaders at the dragon with the staff warmly welcome all inquiries negotiations to create a better future dragon Industry.