1. LSB specially produce the o-ring,x-ring.rubber parts 2. Material: FFKM,NBR, HNBR,EPDM,SI,FKM(VITON)CR,PU,PTFE ... ,ACR(A) 1. material:NBR,EPDM,SI,FKM(V270M),CR,SBR,IIR,HNBR,ACM,FLS ... -68127359 Mobile No.: 13564677111 Main Products: Seals, Oil Seals, Rubber Parts, Rubber Bushing, Rubber Boots, Rubber Tube, Polyurethane Products, TPU Products TPU, PTFE Seal, Molded ...