无锡正原铸件有限公司创办于1992年，原名无锡申达铸件厂。主要生产：涡轮壳增压器零件、球铁铸件、灰铁铸件、合金铝铸件、高镍铸铁铸件、耐热钢铸件和新产品开发。

        公司位于江苏省无锡市锡山区锡北镇八士金桥工业区内，占地33000M2，南距无锡火车站9公里，无锡通往张家港（江阴）的公路（S228）在公司东门前经过，交通十分便利。公司员工220名，中、高级技术人员20名，占10%。1999年通过IS09002质量体系认证，2002年通过QS9000；1998质量体系认证，2007年3月通过TS16949质量体系认证，产品质量控制严格按TS16949体系运行。

        公司于1992年开办时就引进美国自动化壳芯机、壳型。现有生产工艺：壳型壳芯、铁模覆砂、树脂自硬砂造型三种，擅长生产高精度、高表面质量、外形复杂、各种牌号的球墨铸铁、灰口铸铁、高镍铸铁和耐热钢铸件。采用中频感应电炉熔炼，铸件表面抛丸清理及铸件热处理等工艺手段齐全。德国OBLF/GS1000直读光谱仪等全套检验设备为确保铸件质量提供可靠的保障。

        公司年产能8000吨铸件，主要为日资无锡石播增压器、长春富奥石川岛增压器、瑞士ABB增压器、美国洛德机械、加拿大客商等企业提供增压器中间壳、涡轮壳等铸件、零件和汽车零部件；为日本洋马、美国伊顿、卡特比勒、德国宝马格、西门子、瑞士布勒，英国瓦锡兰等外商、外资企业提供农机、液压、工程机械、精密机械、船舶、电器等产品的高精度铸件和零件。

         Wuxi Zhengyuan casting Co., Ltd. was founded in 1992, formerly known as Wuxi Shenda castings factory. Main products: turbine shell of turbocharger parts, ductile iron castings, aluminum alloy casting, high nickel cast iron casting, heat resistant steel casting and new product development.
         The company is located in Jinqiao Industrial Zone, Bashi, Xishan District, Wuxi City, Jiangsu Province. It covers an area of 33000㎡. And it’s 9km south away from WuXi Railway Station. A highway (S228) from Wuxi to Zhangjiagang(Jiangyin) goes through the East Gate of company, so the traffic is very convenient. 220 employees, 20 medium, senior technicians (accounting for 10%) work in company. Pass the ISO9002 quality system certification in 1999, pass the QS9000 in 2002, pass the quality system certification in 1998, and pass the TS16949 quality system certification in March 2007. Product quality control strictly accords to TS16949 system.
         When the company started to run, it introduced USA automation shell core machine and shell in 1992. The existing production process: shell core, iron coated sand, resin self hardening sand three moulding. Specialize in the production of high precision, high surface quality, complex shape, various marks of ductile iron, gray cast iron, high nickel cast iron and heat resistant steel casting. Use medium frequency induction furnace to smelt. It has casting surface blast cleaning and casting heat treatment process. Germany OBLF/GS1000 direct reading spectrometer and a full set of test equipment provide a reliable guarantee to ensure the quality of castings.
         The company has annual production capacity of 8000 tons of castings. Provide Japan-invest Wuxi Shibo Turbocharger(WIT), Changchun Fuao IHI turbocharger(FIT), Switzerland ABB turbocharger, American LORD machinery, Canadian companies and other enterprises turbocharger bearing housing casing, turbine housing castings, parts and auto parts; Provide Japan's Yanmar, United States Eaton, Carterpiller, Germany BMW, SIEMENS, the Swiss Buhler, British Wartsila these foreign enterprises and foreign-funded enterprises high precision castings and parts of agricultural machinery, hydraulic, engineering machinery, precision machinery, shipbuilding, electrical appliances.