Jinan JMD Machinery Co., Ltd is a leading manufacturer specializing in design and manufacturing of aluminum and wood window & door machines in China. Established in 1999, JMD started the business of supplying machining parts for window machine manufacturers. Few years later, we built our own R & D team and started to produce the complete aluminum window & door equipment such as double mitre saw, corner crimping machine, copy router, end milling machine, corner connector cutting machine and aluminum punching machine, etc, more information please visit https://en.sdjmd.com