The contract is valued at Yuan 1.24bn ($US 191.3m). BST, a 50:50 joint venture between Bombardier and CRRC Sifang Rolling Stock, will provide varying levels of maintenance for CRH1A-A, CRH1A, CRH1E and CRH380D-type trains, with the work due to be completed by the end of the year. 

BST has provided maintenance for more than 1200 high-speed cars over the past two years. 

BST is currently delivering a new fleet of 14 eight-car high-speed trains to CR under a Yuan 1.6bn contract agreed in 2018.