... single piece between 50kg and 5t 4,304 heavy-duty flange Packaging & Delivery Packaging Detail:wooden package Non fumigation be suitable ... 4.Payment term: T/T or L/C at sight 5.FOB : Shanghai 1. Product infoMaterial20CrMn,42CrMo,20#,45#etcCurrent customerEDCAST ... ,20CrNiMo,35CrMo,40CrNiMo,etc.4, accept processing on giving materials. 5, excellent heat treatment. 304 heavy-duty flange