System hardware for window & door is called ‘next generation windows and doors’. It is convenient because it can open and shut smoothly. It is well ventilated and has excellent soundproofing and insulation. And it needs just minimized space occupying. For these reasons, We can say that it is a perfect windows and doors.

All of these operation were realized by design. Manufacture and supply of MJ-SYSTEM HARDWARE With high mechanism and excellent quality.