Min. Order Reference FOB Price
1000 kg US$1.25-1.45 / kg
Product Description
Ring Rolling Forged Rings 40Cr, 40X 5140 520M40 SCr440 42C4 41Cr4 Diameter: up to 4000mm Process: Forging, Heat treatment, Machined, Precise Machined, Drilling holes and etc. Company Profile Jiangsu Rongcheng Forging Co., Ltd Founded Year: 2007, 10 years developing from small ...