Chinney Alliance Group Limited, an investment holding company, provides building related contracting services for public and private sectors in Hong Kong, Mainland China, and Macau. It operates in six segments: Plastic and Chemical Products; Building Related Contracting Services; Foundation Piling and Ground Investigation; Building Construction; Aviation; and Others. The company offers building related contracting services, including engineering contracting services in the air-conditioning industry and maintenance services; foundation piling, and drilling and site investigation services; and superstructure construction work services, as well as imports, markets, and distributes plastic and chemical products. It is also involved in the distribution and installation of aviation systems and other hi-tech products, as well as mechanical, electrical, and building supplies; property holding and development business; trading of electrical, air-conditioning, and other building supply products; contracting of building aluminum works; treasury functions; and installation and maintenance of air-conditioning, waste water treatment, heat ventilation, electrical generators, mechanical, water pumps, and fire prevention and fighting systems.