... standard 3.Sufficient processing skil steel casting rotary kiln supporting roller We can provide supporting rollers, thrust rollers, kiln tyre catering ... .Machinerough machined, semi-finished machined, finished machined5.CertificateISO9001:2000, CCS,LR,DNV,BV,GL,ABS6.ApplicationThe products can be widely used ... finishingEasy to use and install steel casting rotary kiln supporting roller