NBR or HNBR o ring
In order to meet the increasingly complex and changeable processing needs of users, our company pays attention to continuously improving and improving the performance and quality of white PTFE Back-up Ringds, FKM ED-Ring, Bulk ED ring in NBR. Zhonggao Seal Technology is one of the leading NBR or HNBR o-ring manufacturers and suppliers in China. Our factory has a wide varieties of NBR or HNBR o-ring products in stock. Please be free to buy the bulk products from us. And we will also offer the customized service if necessary.