... GOST12836-67,GOST12821-80,GOST12821-80 TypeWelding Neck Flanges, Slip on Flanges, Threaded Flanges, Socket Welding Flanges, Blind Flanges, ... 5K-30KPacking detailsPlywood case or pallets,as the customers' requirementInspectionFactory in-house or Third Party inspection available upon ... 30% down payment in advance, the balance before sh-ipment)CIF(30% in advance , the balance against with the copy of B/ ...