1,din ck10 seamless steel tube 2,Outer diameter:10mm~900mm 3,thickness:1mm~90mm 3, ... : 19mn5,c75,ck10,ck22 ,1025 etc.Products: din ck10 seamless steel tube Delivery condition:cold drawn ,hot-rolled,forged,hot treatmentDelivery time ... Liaofu Special Steel Trading Co., Ltd. is a branch company of Dong bei specialSteel Group Co., Ltd. Established in 2005;Sichuan Liaofu Special steel Trading Co.,Ltd.is ...