Dongying Tezen Precision Metal Co., Ltd was established in 2007, located in DongYing city, Shandong province China. Covering an area of 7000square meters. Plant area is 2500 square meters. Existing staff of 150 people. Our annual capacity is 700 tons. In 2008 we got ISO 9001 German TUV.We produce carbon steel, stainless steel, low alloy steel, tool steel, Ductile Iron, and copper steel product - various of machinery parts of pneumatic tools, fluid equipment, auto, sport equipment, food machinery, textile machinery, pipe fitting, marine hardware and building hardware. Our engineers are familiar with the forming technology of the investment casting and we have very strict process control and quality inspection. Through long-term good relationship and cooperation with certified machining and heat treatment factories, we have " outstanding quality, on-time delivery, and reasonable price" competitive advantage. We will do our best to satisfy customer's needs and create "win-win" situation.