WENZHOU YINGFEI ENGINEERING PLASTICS CO., LTD.,predecessor was founded in 1989, wenzhou longwan yaoxi fluorine plastic products factory.founded in the early focus on the production of valve seat seal, is along with the rapid growth and development of wenzhou valve industry. in the process, with the improvement of customer to product quality and performance requirements, products application condition and the condition of complicated, species diversity, we timely to improve production technology, improve product quality requirements, development of new materials and application of new product formula, growing development, at the same time, strengthen quality management and through the iso9001 quality management system certification. company's existing scale covers an area of 10000m2, building area of 8000m2, employees 100 people, is the national well-known seal manufacturers. Since the factory till now, we have to start the PTFE material of a single product development to the present ptfe series (including domestic and imported high temperature ptfe brand products, ppl, improvement of rptfe enhancement formula of more than one hundred species), nylon series (pa12, pa6 / pa66, modified molon, pa46, etc.), peek, pi, pfa, etfe, devlon, pom, such as a dozen pctfe materials series products, production of product size to the biggest diameter of 2000 mm. Company on the one hand, trying to develop all kinds of material the new formula and its forming process, on the other hand, actively expand all kinds of new materials in the application of mechanical products, increase product varieties. now the company's products have the valve seal, compressor piston rings, oriented ring, etc. We focus on more than 20 years, the development of market, draw experience from practical application, understand the product, understand the market, enhances unceasingly, unceasingly enterprising. we can use our years of practical experience, according to different customer needs,