Chengdu Yitong Seal Co.,Ltd. Is a focus on mechanical seal and dry gas seal research, development, production and sales, technical services for the integration of high-tech enterprises, the headquarters and r&d base set up in the beautiful land of abundance chengdu, there are 23 service agencies throughout the country. Company technology and research and development strength, is the dry gas seal technology innovation and promotion of one of the main seal manufacturers, more than 30 have patents, and was identified as "high-tech enterprise" by the government.