Environmental maintenance business

The environmental maintenance business is headquartered in Chengdu, and is penetrating into other regions in the PRC such as Xinjiang Autonomous Region, Hebei Province and Inner Mongolia Autonomous Region. Its scope of services mainly includes (i) janitorial services for public areas in cities; (ii) classification management of solid waste, bulky garbage and food waste; and (iii) facility maintenance management of refuse collection points. During the Year, the environmental maintenance business recorded a revenue of approximately HK$325,957,000, compared to a revenue of approximately HK$253,704,000 for the year ended 31 December 2020.As of 31 December 2021, the Group had a total of 21 environmental maintenance service contracts in progress with the total contract amount of approximately RMB730,000,000 for the remaining contract term.