Made of high-quality copper, the panel, lock core, marbles, lock tongue and other components are all made of copper, which is sturdy and durable with strong corrosion resistance, providing a long service life for the door lock. The surface has undergone PVD anti-wear treatment, effectively preventing fading. Even after long-term use, it can still maintain the beauty and luster of the door lock. Whether it is gray or gold, it can remain bright for a long time. The grey style is low-key and steady, exuding an understated texture. The golden version is luxurious and grand, adding a touch of nobility to your home. The simple design style, combined with smooth lines, can blend in with various decoration styles, enhancing the overall aesthetic appeal of the door. Designed specifically for double-opening mother and son doors, it can open left and right, is flexible and convenient to install, and is suitable for various door types, meeting the needs of different homes. It adopts a silent lock body and is equipped with magnetic attraction technology. The door opens and closes smoothly and quietly, reducing noise interference and creating a quiet home environment for you. It is compatible with door thicknesses ranging from 35 to 50mm, widely applicable to various types of home doors, with high installation stability and is not prone to loosening. The double lock tongue design enhances the anti-theft performance of the door lock, allowing you to use it with greater peace of mind. Universal door opening direction, no need to distinguish between left and right opening, convenient for installation and use.