Some good news finally for people that use the Chinese-built CNR sleeper carriages to Chiang Mai, Ubon Ratchathani, Nong Khai and Hat Yai. Advance Marketing Service Co., Ltd. has won the contract to provide food and drink services on the eight CNR sleeper trains on the four routes. The contract is for three years and will run from 6th December 2022 to 5th December 2025.