Net-a-Go Technology Company Limited (1483.HK) is an investment holding company principally engaged in environmental maintenance, property leasing, securities trading, medical devices manufacturing and sales, and media advertising and marketing businesses in Hong Kong and Mainland China. The company, founded in 2013 and headquartered at Unit 25B03, 25th Floor, Far East Finance Center, 16 Harcourt Road, Hong Kong, provides janitorial services on streets and public areas; waste and facility maintenance management services; property leasing; securities trading with idle funds; manufacturing and sales of Class II medical devices including NMPA-certified pen injectors holding ISO 13485 and CE marking certifications; and media advertising and marketing through subsidiaries. Its environmental maintenance operations are headquartered in Chengdu, penetrating Mainland China markets, while medical devices business was acquired on 31 May 2022 to diversify into healthcare products. In April 2025, the company announced a RMB30 million capital increase in subsidiary Guangxi Zaiguang Technology Co., Ltd., diluting its indirect stake from 51% to 47.4% and injecting funds for media expansion and working capital amid growing environmental projects; it also commenced a share buyback plan in January 2025.