... c75,ck10,ck22 ,1025 etc.Products: din ck10 seamless steel tube Delivery condition:cold drawn ,hot-rolled,forged,hot treatmentDelivery time ... 320G, 400G Satin / Hairlin(Matt Finish, Brush, Dull Finish), 400G,500G, 600G or 800G Mirror finish testSquash test, Extended test, Water ... Co.,Ltd.is located in Liangli Steel City,the biggest electromechanical and steel trading center in the west of China, in ...