Retractable Hall Call Device for Elevator Systems

NL-HB9 Stretching Bottom less Box External Call   NL-HB9 is a stretchable bottomless box elevator external calling equipment that is suitable for upgrading and renovating various elevator systems. It is formed by fine 304 stainless steel right angle stretching technology, with straight and firm lines and a solid and stable structure. It is different from traditional circular arc frame external calling products, with a simple style for business and is suitable for various architectural scenes such as high-end office buildings, star rated hotels, commercial complexes, and boutique residences. In response to common problems such as deviation in reserved dimensions of construction site walls, lack of pre embedded bottom boxes, and difficulty in renovating old apartment layouts, this equipment achieves flexible installation through its expandable and adjustable structure, greatly reducing the construction threshold. It is highly suitable for both new elevator installation and intelligent re…