FIEE ELÉTRICA/electronic Americas  2019

[Time] :  23. July to 26, 2019
[Address] :  Sao Paulo.Brazil
[Hall] :  E04a

HANNOVER MESSE 2019 – a complete success for RuoShui

（1.April to 5. October, 2019 。Grand Hall: 12-A09）

2018 Hong Kong Electronics Fair (Autumn Edition) – a complete success for RuoShui
 

（13.October to 16. October, 2018 。Grand Hall: GH-E24）