... price.Chengdu Yitong Sealing Co., Ltd. manufactures high quality dry gas seal and mechanical seals for pumps, mixers, agitators and compressors, covering applications from ... - Seal Rings in different materials (SSiC, RBSiC, TC, Ceramic, Carbon) and other seal components- Bushings and shafts- Mechanical seal refurbishment and re-engineering dry gas seal for agitator