1. blind flange 2. material: CS RST 37.2; S235JR;C22.8 3. size: DN10-600 ... ,20K,30K,40Kstandard:JIS,BS,EN,ASTM,DIN,SABS,GOSTmaterail:CS RST37.2,S235JR,C22.8,Q235,A105,SS400,SS 304 ... :2008Contract ManufacturingOEM Service Offered Buyer Label Offered JX-8768 SABS1129 CS RST 37.2; S235JR;C22.8 blind flange type 8 ...