2002 Shanghai International Valve Qhov Ncaj Ncees
2018 Osaka Machinery Exhibition, Nyiv
2018 German xaim xaim thiab raj xa khoom Lub ntsej muag
2016 Canton Ncaj Ncees
Duab ntawm cov neeg siv khoom hauv German xyoo 2018
2002 Shanghai International Valve Qhov Ncaj Ncees
2018 Osaka Machinery Exhibition, Nyiv
2018 German xaim xaim thiab raj xa khoom Lub ntsej muag
2016 Canton Ncaj Ncees