... LSB specially produce the o-ring,x-ring.rubber parts 2. Material: FFKM,NBR, HNBR,EPDM,SI,FKM(VITON)CR,PU,PTFE ... cars,Bath,Gate,Hydropneumatic,Electronics,Powertools,Fire ,extinguishers ,Refrigeration Compressor in air conditioning, etc.3. Main products: O-Ring.X ... Mid East Factory Size In Square Meters: 28000 Shift: 3 Main facilitiesR&D Equipments Tensile Testing Machine, Rubber Tensile Machine, Rotary ...