China Orotrim Machinery company is a research, development, manufacturing as one of professional manuf- acturer of plastic machinery.Since its inception, has always been dedication to "high tech machinery" in the re- searchand development.And efforts to build their reputation as the industry's first brand.Companies aim at the world'smost advanced plastic machinery technology, in-depth research,and have developed a lot of original techniques,some of the world's first, and more to fill the domestic blank.That have already submitted a number of patents,has developed a unique market, competitive advantage. We are still a few company in the world, who use of CFD-FLUENT techniques to improve the design of plastic equipment, including extruders and dies. Production of plastic products, equipment must meet the profitable production rate. Only high-yield to low-cost, can be profitable.