... ,CR,NBR,FPM etc. 3.UV,FR,oil proof,shock proof etc. 4.ODM,OEM as your drawing ... experience2.Stable rubber material cooperation,make sure good quality rubber material for production3.SGS,ISO ... certificate,make the test at a regular time4.Over 138 sets domestic and ... compressor etc.5.Over 200 employees with good experience6.Good after-sales serviceCompany Web:www.dgaofeng.comInternational ...