... for different shapes,such as cylindrical,internal,screw rod,curved and spherical,ect;3.Suitable for all kinds of ... , Mold,Paper machinery,Pharmaceutical Machinery centrifuge,Piston rod,Hydraulic cylinder,Helical rod,Metallurgical Machinery,Wind power,Hydropower,Motor.5.Can ... environmental,it's very different from the rolling,polishing,grinding and other process,more precisely,it just like ironing the ...