1.high & low temperature resistance, anti-corrosive, non-toxic ect 2.ISO/TS16949,ISO9001:2000,ROHS ... accessories and shower accessories ect.PerfermanceHigh and low temperature resistance,anti-aging,anti-corrosive,non-toxic,tasteless and other requirementsCertificateISO/TS16949,ISO9001 ... and experienced engineers5. Prompt delivery and excellent after serve Fixed-nut