Founded in year of 2005,ALM originally called KUNSHAN TIANHE BALL SCREW FACTORY.Over the last two decades,ALM has grown fast and has four production workshops for ball screw,lead screw,linear motor,linear actuator,linear guideways and related CNC machining parts for automation industry.Factory area is over 15000 square meters,129 employees.Our factory is equipped with 15 automated production line.Products are 100% inspected before shipping.ALM has obtained ISO9001,IATF16949,CE,RoHS certificate. 0ver 25 distributors all over the world.