Linyi Hongsheng Foundry Company (it grew out of Linyi Hongsheng Malleable Iron Company) was established in 1998 , with registered capital of 8million RMB and total investment of 20 million RMB. The company located in Linyi, a well-known goods distribution center. Linyi Hongsheng Foundry Company owns advanced manufacturing, inspection equipments and high leveled processing technique. We specialize in researching, developing and manufacturing cast iron connections & couplings and mechanical accessories. In addition, we take the lead in passing ISO 9001: 2000 among the same industry. In 2007 , we imported spectrum analyzer from Germany and set up silicon colloidal medium-temperature precision cast iron production line. The building area for the first phase is about 4500 square meters and the initial monthly productivity is about 60-80 tons. We can make precision foundry products from stainless steel, carbonic steel, alloy steel, non-ferrous steel, etc. At present, we can do various products , referring to auto parts, mechanical components, pump valve parts, building hardware, petrochemical industry, cooker accessory, bath accessory, medical instrument accessory and sports equipments accessory. The materials include 201, 202, 303, 304, 304L, 316, 316L, 1Cr18Ni9Ti, 430, 440, 2205, 17-4PH, 1008, 1020, 20NiCrMo, 42CrMo4 and non-magnetic stainless steel. The minimum weight of the casting we can do is 2g; the maximum weight is 30kg.The minimum casting space is 0.75m, the thinnest casting we do is about 0.15mm, the longest blind hole(diameter 30mm) is 170mm. We also have various inspection facilities which can do micro organ and mechanics test.The company has unitized equipment for mechanical processing , electrolysis polishing and heat treatment . Our products get good reputation by our customers in America , Canada, Germany, France, Britain, Japan, etc. We will provide quality products and service to all our customers.