Elevator Hall Frame Type Fixed Call Device

NL-HB3 frame type frameless box elevator external calling device   NL-HB3 is a newly upgraded frameless box less elevator external calling device, optimized for the actual construction pain points of modern building elevator retrofitting and new installation projects. It abandons the traditional installation mode of pre embedded bottom boxes for external calling devices, and is widely used in various scenarios such as high-end residential buildings, star rated hotels, commercial complexes, and business office buildings with ultra-thin body shape, precision stainless steel technology, and rich adaptive configurations. It is suitable for various projects such as new elevator installation, old elevator renovation, and building intelligent upgrading. It is a high-quality Elevator Accessories recommended by overseas elevator engineering companies, maintenance enterprises, and accessory traders. The product features a slim and integrated design, with a lightweight and minimalist overall bod…