News/ Picture news
Sichuan OST was invited to The National Geological Disaster Prevention and Control Symposium and The 14th (2020) Road Construction and Maintenance Technology Forum
OST's life-saving protection net is reliable in a most dangerous condition !
Helping each other and fighting COVID19 together! OST donates epidemic prevention materials to Italy and Switzerland
OST was invited to attend Academic exchange meeting of Professor Cristina Gentilini from University of Bologna(Italy)
National Railway Administration of the People’s Republic of China announced that flexible protection net standard TB/T 3089-2004 was abolished.