Suzhou Ultimate Sealing Technology Co.,Ltd. Seal is one of leading entities which focused on the production of ED ring. Ultimate's FKM gasket series are created based on unremitting efforts. The safety of Ultimate silicone rubber strip is guaranteed. It has been tested with regards to fire resistance rating by the third-party testing laboratory. Customers say it is very resistant to washing and burning sunlight. After repeated washing or exposure, the color remains unchanged.
Ultimate is planning to take the lead in o ring marketplace.