Chengdu Yitong Seal Co., Ltd. was founded in 2004; it is a high-tech enterprise specializing in designing, manufacturing and marketing dry gas seal and mechanical seal. Chengdu Yitong Seal Co., Ltd. was officially renamed the Chengdu Yitong Seal Co. Ltd. in November 19, 2015. 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, and agitator and so on. Our products have been widely used in petroleum, chemical industry, chemical fiber, fertilizer, oil refining, papermaking, nuclear power, power plant, metallurgy, food, pharmaceuticals, etc.