There’re so many different kinds of aluminum window & door machines such as cutting , end milling, crimping, punching and drilling, etc. Each kind of machine has many different models optional. So, how to choose the right aluminum window and door machines if I want to build a window plant? Let me give you some advice now. JMD is a famous brand of aluminum window and door machines in Asia. They have many different machines optional. If you want to purchase machines from JMD, you may ask yoursel......