MTR expands services between Hong Kong and mainland ChinaHigh Speed Rail launches sleeper and conventional daytime services this month. Photo Credit: MTRHigh Speed Rail launches sleeper and conventional daytime services this month. Premium Subscription Required You must be a premium subscriber to access this content: View Subscription Options Already a subscriber? Log in here Categories: Asia, Fleet, PassengerTags: China, Hong Kong, MTR, Premium, sleeper trains