it do not contain asbestos material absolutely Through the inspection by China national Nonmetallic mineral products quality supervision inspection center and SGS,the performance of our products Has reached the international advanced level especially the leakage rate,the leakage problem We face the perennial has solved by us,our company has passed through authentication of ISO9001 quality systems. we are also one of the national standard drafter about Non-asbestos rubber sheet.we offer high quality products and services to Domestic and international shipbuilding, aerospace, chemical, petrochemical, motorcycle, automobile industry, diesel engine, turbine, metallurgy, power generation etc, we have six series products with different features