... to weld, burnish, assemble the cylinder-vessel , its series includes self aligning rotators, conventional rotators , trolley rotators, tilting rotators , anti drift ... welding rotator according to the customer's requirement .HGZ series self-adjustment welding rotatorspecificationmodelHGZ5AHGZ10AHGZ20AHGZ40AHGZ60AHGZ80AHGZ100AHGZ160Aloading ( T )T51020406080100160distance of the center line (mm ...