PBTS, a subsidiary of CRRC Nanjing Puzhen Co. Ltd., a Chinese railway rolling stock manufacturer, recently got the contract to supply two monorail projects in Bangkok, Thailand.

This makes the company, Puzhen Bombardier Transportation Systems Co. Ltd., the first domestic firm to sell driverless straddle monorail trains to a foreign country.

PBTS was founded in 2014 as a joint venture between Canada's Bombardier Transportation and China Railway Rolling Stock Corp (CRRC).

It's the first company in China to specialize in the design, production, integration and sales of monorail and Automated People Mover (APM) rail transit vehicles and systems.

In March 2018, the first domestic APM driverless line using PBTS’s vehicles was opened for trial operation in Shanghai.