... gasket with oil, acid 3.widely used in many industries 4.ISO, SGS rubber spacer 1.Certificate:ISO 90012. ... approvedMaterials meet RoHS directive, REACH,NSF, KTW, WRAS, etc.QC/QAWe have experienced quality control and assurance system, 30 ... QC technicians.ApplicationsUsed in mechanical, automobile, electrical appliance, industrial, construction, ...