1.material :ck45 tailored pipe, 2.high precision in function dimensions. 3.durable and flexible 4.CNC turning/lathing 1.materialc45,c20,the other steel carbon2.processcnc3.strengthsspecial process,competitive price,big order,punctual delivery time4.quality controlfc dimensions 0 defects,100 percent inspection5.charactersthin thickness pipe and high precision dia6.out surfacedeburrs,anti-rusted, ...