CNQC INTL's major operating subsidiaries are Sunley Engineering & Construction CO., Limited, Sunnic Engineering Limited,Full Gain Engineering Limited , CNQC Realty (HK)Limited and CNQC Intelligent Construction（HK)Limited. Sunley Engineering & Construction CO., Limited. is principally engaged in the foundation business. CNQC Realty (HK) is engaged in the proprerty development business at Hong Kong. CNQC Intelligent Construction (HK) Limited is actively engaged in both concrete and steel modular integrated construction (MiC) business for Hong Kong, Macau and Great Bay Area.