Xiamen Hanfeng Rubber Products Co.,Ltd is a manufacturer specializing in manufacturing high quality o-ring, back up-ring with all kinds of standard (AS-568, European DIN3771, DIN7715, RMA, Japanese JIS2401P/G series) or nonstandard,gasket,,rubber washer, dust boot, rubber ball, and various of custom molded rubber parts etc, we start from designing, material developing, mould processing to shaping, it offers customer the best price ,the best quality and service.