... cnc worm,cnc worm gear,cnc worm wheel2) material:brass, copper ,steel, alminum 3)Color: Silver,White,Black,Bronze,Beige, ... Alena Lee(Mb:86-13925757720,skype: alena.lee2000 ) Customized CNC copper/steel worms ,gears , Verified Information This information is Verified by ... 2008 MOODY, UKAS 111105027 Scope: Manufacture of Metal Parts (Screw, Spring, Battery Tablets, Axle) 2011/06/29 --- 2014/06/28 Testing ...