2017 Guangzhou International Auto Cua Txias & Txias Technology Exhibition
2019 Tuam Tshoj Lim Innovation Development thiab Frontier Technology Summit Forum
Nws pib Pipeine System Kev Lag Luam Kev Tsim Kho Kev Txhim Kho Lub Rooj Sib Tham
Shanghai International AutoAir-conditioning & Transport Refrigeration Exhibition 2018
3rd Automotive Pipeline Technology Summit 2019
Lub 11th Industry Development Forum on Green Vehicle Roj System
