Company Introduction Chengdu Yi Tong Seal Co., Ltd, founded in 1999, is a high-tech enterprise specializing in designing and manufacturing dry gas seal and high-speed centrifugal compressor seal. The main products of our company are mechanical seals, dry gas seals and many kinds of sealing control system, which are applied to rotating equipments, such as high-speed centrifugal compressor, centrifugal pump, agitator and so on. The annual output of our company is nearly 100,000 units. Our products have been widely used in Petroleum, Chemical fiber, Fertilizer, oil refining, Papermaking, Nuclear power, Power plant, Metallurgy, Food, Pharmaceuticals, etc. Located in the Chengdu Economic & Technical Zone. It occupies about 50,000 square meters. Now, we have more than 400 employees, including 10 professors, 20masters. Among them, over 200 hundred employees have college degree or above. An authority of China Fluid Sealing Industry-professor Gu Yongquan is the chief engineer of our company. The company consists of 11 departments: Marketing Department, Technical Department, R&D Department, Producing Department, QC Department, Assembly Department, Financial Department, Administration Department, HR Department, Logistic Department. Among them, the marketing Department has 18 Offices across the entire country. Since being established in 1999, we have developed 40 series and 500 sizes of sealing products, of which more than eighty percent are being exported to clients worldwide. Currently, we have an annual manufacturing volume totaling 3 million sets, with all stages of the seal production process being completed in our well-equipped modern factory. The predominant product of our company is the high-tech Dry Gas Seal (DGS) with independent intellectual property right (Patent No.03234764.2), which has the virtue of energy-saving, pro-environment and it has been applied in many domestic petrochemical enterprises, and has created very good economic and social benefit. Our company has the perfect processing, testing and inspecting equipments. We can carry out simulation tests for the mechanical sealing and dry gas sealing with two kinds of sealing test beds whose speed respectively up to 18000r/min and 36000r/min within 20Mpa. Our company has developed the DGS dynamic pressure groove processing equipment. It can process dynamic pressure groove of any shape and depth on the surface of metal material, including SiC and tungsten carbide, etc. At the same time, our company has a very strong research capacity, which provides the foundation for developing new products. Now, the company's seals network has spread all over the country, and the seals of our core products have increased rapidly. In 2001, we passed ISO9001 international quality authentication. In the very same year, we also became a material resource market member of SINOPEC, and the first-class network member of PETROCHINA. In 2007, we introduced the ERP information management software and achieved initial effect. Over the years, we have insisted on the principle of "quality fist, service-oriented" to open up markets and make continuous innovations. Our company is committed to sealing industry to industry to provide customers a safe, clean living and working environment. For more information about our products, or to place an order, please visit our website or contact us directly. We are looking forward to having the opportunity of being able to form a cooperative relationship with your company.