2020 Aquatech Lachin (Shanghai), CN 2019 WETEX UAE, AE 2019 WEFTEC USA, US 2019 VIETWATER (Hanoi), VN 2019 Aquatech Lachin (Shanghai), CN 2018 VIETWATER (Hanoi), VN 2018 Aquatech Lachin (Shanghai), CN 2018 GD Dlo, CN 2017 VIETWATER , VN 2017 Aquatech Lachin (Shanghai), CN 2016 Aquatech Lachin (Shanghai), CN
