1.Material,stainless steel, carbon steel, or as your requirment 2,Type: welding neck flange, plate flange, stainless steel fl 1,we have 10 years experice of export.The products of our company are mainly exported to USA, Canada, Sweden, Hungary,Danmark,etc2,We could make products according to your requirement or as your drawing.3,All of our products have passed the certification of ISO9001-2000. ...