Founded in 2005, SDM Precision Group is a high-precision-machining service provider for various sectors including automotive, industrial, electronics, communication and electric industries. SDM can process materials including high hardness steel, stainless steel, carbon steel, brass, beryllium copper and aluminum alloy with the range of machining precision >=0.002mm and the range of work piece outer diameter >=1mm. With manufacturing facilities in Shanghai and Suzhou, SDM can rapidly and efficiently serve manufacturing needs of our domestic and oversea customers; and SDM also has a global sales company based in Changzhou. In addition, the company leverages its integrated team of veteran professional managers from global manufacturing industry, excellent engineering and technical expertise team, high standard consulting and supporting team and good quality system certified by SGS (ISO/TS 16949:2009 and ISO 9001:2008 ) to offer professional, high quality and efficient manufacturing products and machining services for various customers worldwide.As the selling company and the window for oversea customers of SDM Precision Group, Polestar provides professional and comprehensive customer service for oversea customers. The core services of Polestar includes Product Pricing, Prototype Follow up, Order Management, International Trading, International Shipping, etc.창占승�In addition, with its own professional service team, Polestar can provide customers worldwide with value-added services including third party sourcing service and quality inspection service around China.