The Hong Kong company listed on what, cooperates with the operator of Guangzhou-Shenzhen Railway?
MTR Corporation MTR Corporation Limited () is a Hong Kong company listed on the Hong Kong Exchange, and a component of Hang Seng Index. MTR runs Hong Kong's Mass Transit Railway (MTR), and is also a major property developer and landlord in Hong Kong. It also invests in railways in different parts in the world, and has obtained contracts to operate rapid transit systems in London, Stockholm, Beijing, Shenzhen, Hangzhou, Melbourne, and Sydney.
CSL Mobile Limited CSL Mobile Limited (), formerly known as "PCCW Mobile HK Limited ()", is an HKT subsidiary, which operates mobile network brands of "csl", "1O1O" and "SUN Mobile" in Hong Kong. CSL was Hong Kong's first mobile communications operator established in 1983, and also the first network to launch the world’s first dual band 4G LTE network with DC-HSPA+.