News name：The concept of door and window hardware fittings and control system

News detail：How to define the hardware parts of doors and windows is a complicated problem. In China, door and window fittings are referred to as hardware, probably because they are made of various metals, and are classified into hardware and electrical products by traditional commodity classification methods. The hardware in English is Hardware, which is intended as hardware. Beschlag in German is supposed to be a metal ornament.