Jinan kingdear Machinery Co.,Ltd. is specialized in researching & developing, manufacturing and selling the equipment of aluminium alloy doors, windows & curtain walls, We have a deep research on processing technology and its fitting equipment’s of high quality of capacity insulation cold bridge aluminium alloy doors windows & curtain walls equipment, Base on which we produced aluminium alloy precise miter saws, isochronous corner-make machine, High-precision end-milling machine and corner cutting saws could better represent the advanced technics and producing technology of modern thermal break aluminium doors & windows, A lot of engineers in aluminium doors & windows industry keep providing new products, boosting China aluminium doors & windows industry.