Chengdu Yitong Seal Co., Ltd.

ning 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 systems, 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. 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.