... Low price 4) OEM service safety hydraulic oil pipeline valves: 1) ISO9001 certified 2) Guarantee safety 3) ... G-electroplated yellow zinc (white) Namehigh quanlity for flange ball valve importerMaterialCarbon steel ,stainlesss steel ,brassSize1/4", ... ,15,20,32,40,50,65,80mmJoin typethread,flange,manifold,mountingCertificateISO9001:2000StandardAmeican ,Japan,Greman,Chinese,BritishSurface disposalBlank ...