... 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, ... Preforming Machine, Rubber Injection Machine, Rubber Compression Molding Machine, Rubber Extrusion Machine, Cryogenic Deflashing Machine, CNC lathe, CNC CenterTesting Equipments Tensile Testing Machine, Rubber Tensile Machine, ...