Hengda Fashion Valley Building is a comprehensive building project located on the northwest side of the intersection of Fulong Road and Huaxing Road in Longhua District, Shenzhen. It was developed by Jiantao Digital Development (Shenzhen) Co., Ltd. and managed by Jinbi Property. The project covers a total area of ​​approximately 85,700 square meters and has a total construction area of ​​500,000 square meters. It includes office, residential and commercial properties, with 320 planned units, a plot ratio of 4.56, a greening rate of 30%, and approximately 15,000 square meters of commercial space and 50,000 square meters of landscaped gardens [1-3] [6]. The surrounding area has convenient transportation, is close to Metro Line 6, and is surrounded by major roads such as Fulong Road and Longda Expressway. It is also adjacent to Yangtaishan Forest Park. The supporting facilities include Tongsheng School, Dalang Times Shopping Plaza, Longhua District Maternal and Child Health Center, etc.

Maintenance and repair of multi-unit air conditioning systems in buildings 7-11.