CNC Aluminum Corner Connector Cutting Machine LJJMS-450(500)*500 Technical Parameters Associated Aluminum Cutting Machine Company Our clients Delivery Why US a. We have more than 20 years of production and manufacturing experience in doors and windows machiniery b.Top 3 door and window machine manufacturers in China c. 230 staffs professional team d. Export to more than 40 countries e. covering an area of 300 mu f. 3000 sets production per year g. Cutting center Leading brand in China h. We accept certification BV/CAS/SGS/CE ,etc.