JMD is a leading manufacturer of aluminum window & door machines in China. Since 1999, JMD started to process the machining parts for many window machine manufacturer. Few years later, JMD started to fabricate its own finished aluminum window & door machines under the brand JMD. During the 20years’ development, we have visited and accepted thousands of customers from all around the world. For many beginners, they just have no any idea about how to set up a aluminum window plant. They even have......