... 2009, TS16949 ,NSF ,ACS .WRC ,FDA ,UL ,KTW,W270, ROHS, SGS LSB has more than ... the basic products are: O-Ring.X-Ring V-Ring.R-Ring. Y-Ring.U-Ring., Oil Seal,PU oil seals ... accessories,compression mold , etc. Company Name: Best Ring Technology Co. , Ltd. Business Type: Manufacturer Ownership ... ,North -Benz,Certification: TS16949 ,NSF ,ACS .WRC ,FDA ,UL ,KTW,W270, ROHS, SGS ,ISO9002:2009, .Export Ratio: ...