Door handle is a door accessory that can not be ignored or missing. It has both decoration and functionality. Usually, the door handle does not need to be purchased separately, because the doors sold on the market will be equipped with door handle, but the utilization rate of door handle is very high, which is easy to fall off, paint and so on. Door handles are made of ceramic, solid wood, metal, glass, crystal, plastic, alloy and other materials. Door handles are divided into single hole spherical, single hole strip or Japanese, Chinese, modern, European and so on.