The Guangzhou-Shenzhen-Hong Kong High-speed Railway is a high-speed railway connecting Guangzhou, Dongguan, Shenzhen and the Hong Kong Special Administrative Region in southern China. The extension line of the Beijing-Guangzhou high-speed railway connects the Guangzhou railway hub and the Shenzhen railway hub. The project formally signed a contract with Minxing Cable in 2020, to work together to accelerate economic cooperation between cities in the Pearl River Delta, promote common economic prosperity, and enhance international competitiveness.