Harmony company is a professional manufacturer for window door machine, all products have CE certificate. Our main product focused in aluminum window and door machines, such as double head cutting saw, crimping machine, copy router and end milling machine. We also produce UPVC window door machine, such as welding machine, corner cleaning machine, water slot milling machines. Now our new product CNC working center series are very popular in the market, such as 4 axis working center, 3 axis working center. The double head cutting saw included arbitrary double head saw, CNC double head saw, digital display precision double head saw, heavy duty double head saw, etc. The UPVC window main machine is welding machine, it has seamless style, one side seamless and both side seamless ones, which save time for window and door making process.