... ,ISO,DIN material:ss304,316,316L certificates:ISO9001 Stainless Steel reducing adapter1.Material:stainless steel 304 ,316 2.Nominal pressure:up ... ,PT,RP,ISO and etc.6.Applicable medium:oil,gas,water or other medium;7. Place of origin:Jiangsu,China(Mainland ... . Specified specification available upon request;9. OEM orders are welcomed. reducing adapter