duplex stainless steel ball valves , casting , 19years factory , with factory

Linyi Hongsheng Foundry Co., Ltd. (It grew out of Linyi Hongsheng Malleable Iron Company)was established in 1995, with registered capital of 8 million RMB and total investment of 20 million RMB. Our company is located in Linyi, a well-known goods distribution center.

Linyi Hongsheng Foundry Co., Ltd. owns advanced manufacturing,inspection equipment and high-level processing technique. We specialize in researching, developing and manufacturing cast iron connections&couplings and mechanical accessories. In addition, we take the lead in passiing ISO9001:2000 among the same industry.

In 2007, we imported spectrum analyzer from Germany and set up silicon colloidal medium-temperature precision casting production line. Our building area for the first phase is about 4,500 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 equipment, cooker accessory, bath accessory, medical instrument accessory and sports equipment. The materials include 201, 202, 303, 304, 304L, 316, 316L, 1Cr18Ni9Ti, 430, 440,1008,1020,20NiCrMo, 42CrMo4 and non-magnetic stainless steel. The minimum weight of casting we can do is 2g, and the maximum weight is 30kg. The minimum casting space available is 0.75mm, and the thinnest is 0. 15mm. The longest blind hole (diameter 30mm) we can make is 170mm. We also have various inspection facilities which can do micro organ and mechanics test. Our 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, England, Japan,etc.We will provide good quality products and best service for all our customers.