... PU etc.Application: O ring is widely used in different industries: Auto, Machinery, Electronic, Water facility, Valve accessories, Air-conditioner, Sanitary ... very reasonable and service is very considerate, you are here in a right stop . Factory history8 yearsFactory area3700m2CertificateISO/TS16949Machines(20sets) ... testing machine for keep the exact quality as required: Water dispenser rubber seal