TOPCNC Automation Technology CO., Ltd. was founded in 2007 with a simple goal to be a leader in the supply of optimal and economical components and services. We are professional manufacturer and supplier of small CNC Retrofit Kits and CNC Control System for CNC lathes, milling machines and cutting machining plasma. Our small and powerful CNC controller kits is designed for convenient and efficient CNC solutions. Self-invented blank filling programming method enables people who do not know how to program to use the controller system.