produce according draw good quality durable Flanges of welding neck, socket welding, threaded, blind, slip on, lap joint are in accordance ... ,AS2129,GOST-128202. Type:Plate,Slip-on,Welding Neck.Thread,Socket weld,Blind3. Size:1/2-78 inch (DN15-DN2000)4 ... or Case8. Payment Term:T/T9.Delivery time:Within 30days for 1000tons10.Supply Capacity: 10000tons per year steel radiator for home