Are Zhongnengjian South China Electric Power Equipment Co., Ltd. and Shenzhen Airport Co., Ltd. state-owned enterprises?

Yes Zhongnengjian South China Electric Power Equipment Co., Ltd. is a comprehensive state-owned enterprise of electric power equipment, and Shenzhen Airport Co., Ltd. is also a state-owned enterprise. Shenzhen Airport Co., Ltd. is a state-owned holding enterprise mainly engaged in air passenger and cargo transportation ground service, suburban road passenger and cargo transportation, air passenger and cargo logistics agency business and other services.