*gaskets&seals R11-R105 *accord with API 6A ASME B16.20&ISO9001:2000 ... / 347/ 321/ inconel600.....2. specification:R11-R1053. application standard :ASME B 16.20, API 6A4. mainly used for: ... gaskets(RTJ) in China, including octagonal and oval gaskets with R, RX, BX, IX series, which are widely ... and ISO9001:2000, therefore, our products comply with ASME B16.20 standard and API spec 6A .Moreover, we could ...