Product: Hydraulic tube, honed tube, skived and roller burnished tube, cold drawn/rolled seamless steel tube, SRB tube, hydraulic cylinder tube, piston rod. Application: Mining industry, machinery processing, natural gas oil transportation exploitation etc. Process: Cold-drawn, cold-rolled, honed, SRB Material: 10#,20#,45#,16Mn, 27SiMn,BK+S, ST35, ST42, ST52,DIN2391,ASTM A106 or as per customer¡¯s requested.