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,AFLAS ,PU ,etc2. Application:cars,Bath,Gate,Hydropneumatic,Electronics,Powertools,Fire ,extinguishers ,Refrigeration Compressor in air conditioning, etc.3. Main products: O-Ring.X-Ring V-Ring.R-Ring. Y-Ring.U-Ring., Oil ...