A new subway line connecting Istanbul Airport and the city center in Turkey was officially opened on 22 January 2023. It is reported that this subway line is the first high-speed subway line in Turkey and also the fastest running subway line in Turkey's history. The wheels used for the subway trains running on this line are all provided by Masteel.Also, recently a South Korean high-speed train loaded with high-speed wheels and axles supplied by Masteel Wheel & Axle was officially delivered to the Ministry of Railways of South Korea and entered the trial operation stage. This is the first high-speed rail axle project exported to South Korea, which was independently produced and designed by Masteel Wheel & Axle. The high-speed rail line will begin official operations in 2024. In August 2021, Masteel Wheel & Axle won the qualification of designing and manufacturing the batch supply of GTX high-speed wheels and axles in South Korea, and obtained an order totaling more than one thousand pieces of GTX high-speed wheels and axles with a design speed of 200km per hour. At present, GTX wheels and axles have been supplied in batches.