... . QA Equipment 3.OEM/ODM 4.rubber diaphragm for pump industrial NBR rubber diaphragm for pump Product Namerubber diaphragm for pumpCertificateISO9001 ... ,FPM,VITON(FKM)&Dow elastomers,Neoprene,HNBR,Natural rubber,SBR,IR,IIR(butyl rubber),ACM ect.NSF an KTW approved for ... to contact at any time NBR rubber diaphragm for pump industrial ISO9001-2008 TS16949