2020 Aquatech Xina (Xangai), CN 2019 WETEX UAE, AE 2019 WEFTEC USA, EUA 2019 VIETWATER (Hanoi), VN 2019 Aquatech Xina (Xangai), CN 2018 VIETWATER (Hanoi), VN 2018 Aquatech Xina (Xangai), CN 2018 GD Aigua, CN 2017 VIETWATER , VN 2017 Aquatech Xina (Xangai), CN 2016 Aquatech Xina (Xangai), CN
