Best end mills for aluminum for sale, Direct Factory, Best Price. JMD Machinery: Since 1999, A leading manufacturer specializing in design and manufacturing of aluminium and wood window & door manufacturing machines in China, JMD Machinery has 230 employees and over 130sets of sophisticated processing equipment( including CNC processing center, milling machine, grinding machine, planners, lathe machine, wire cutting machine, welding machine and bending machine, etc.