As a subsidiary of Dazu Laser, is there a difference between Dazu Chaoneng and Dazu Yueming?

Dazu Laser has a number of holding companies, among which Dazu Yueming, Dazu Laser Intelligent and Dazu Chaoneng are all holding companies. Dazu Laser owns 5 1% equity of Dazu Yueming Laser. Dazu Chaoneng is the holding company of Dazu Intelligent, and Dazu Intelligent is the holding company of Dazu Laser. Dazu Laser owns the equity of Dazu Chaoneng 100%. The following figure shows the equity situation.

Dazu Laser Technology Industry Group Co., Ltd. (hereinafter referred to as Dazu Laser)

Guangdong Dazu Yueming Laser Group Co., Ltd. (hereinafter referred to as Dazu Yueming Laser)

Dazu Laser Intelligent Equipment Group Co., Ltd. (hereinafter referred to as Dazu Laser Intelligent)

Shenzhen Dazu Chaoneng Laser Technology Co., Ltd. (hereinafter referred to as Dazu Chaoneng)