... link for railway wagons Materials: carbon steel, alloy steel, stainless steel, Items: FOB NingBo or ShangHaiLead time, 30 -40 daysPlace ... as machining, polishing, and plating 2) We make Forged chain link by closed die forging-precision die forging process in Ningbo ... ,China 3)CNC Machined parts ,machined parts or machinery parts or machining parts, matelwork-metal products and stamping parts ...