We produce full range of rubber diaphragms including T-9, T-16, T-20, T-24, T-30, T-36 with two levels and so forth, the 1st level rubber diaphragm passed the life test of 1,200,000 cycles successfully while the 2nd level rubber diaphragm passed the life test of 500,000 cycles successfully. The technical properties of our rubber diaphragm fully meet SAE 1450 standards. We also has the ability of rubber formula and mould design, rubber mixing and products pressing. Therefore, we can meet your personalized designs and requirements. The 1st level rubber diaphragm were mainly designed for upmarket while the 2nd level rubber diaphragm were mainly designed for maintenance markets.