紧赛R50S
紧赛R30S,R40S,R50S各类产品
赛络R30S, R40S, 50S各类产品
涡流纺R40S, 40S, 50S各类产品
涡流纺TR40S, TR50S各类产品
RJC紧赛32支，40支50支等各品种
