CNQC International Holdings Limited, an investment holding company, engages in property development, foundation, and construction business in Singapore, Hong Kong, Macau, and Southeast Asia. It operates through four segments: Foundation and Construction - Hong Kong and Macau; Property Development - Hong Kong; Construction - Singapore and Southeast Asia; and Property Development - Singapore and Southeast Asia. The company engages in public construction works; external private construction works; superstructure construction; and development and sale of residential projects. It also provides ancillary services for piling works. In addition, the company is involved in general contracting; building and civil engineering, and interior design activities; rental of machinery; and investment in development properties. CNQC International Holdings Limited is headquartered in Kowloon Bay, Hong Kong.