2020 Aquatech Tuam Tshoj (Shanghai), CN 2019 WETEX UAE, AE 2019 WEFTEC USA, USA 2019 VIETWATER (Hanoi), VN 2019 Aquatech Tuam Tshoj (Shanghai), CN 2018 VIETWATER (Hanoi), VN 2018 Aquatech Tuam Tshoj (Shanghai), CN 2018 GD Dej, CN 2017 VIETWATER, VN 2017 Aquatech Tuam Tshoj (Shanghai), CN 2016 Aquatech Tuam Tshoj (Shanghai), CN
