Fa'aaliga

Hwapeng auai i le fa'aaliga alumini i Dusseldorf Siamani

Ua auai Hwapeng i le Fa'aaliga Fa'avae i Delhi Initia

Hwapeng auai i le IBAAS Conference ma Faʻaaliga i Bombay Initia

Ua auai Hwapeng i Fa'aaliga Uamea i Bombay Initia

Hwapeng auai i le 10th Nonferrous Metal Conference ma Faʻaaliga i Krasnoyarsk Rusia

Hwapeng auai i le 147th Fonotaga Faaletausaga & Faʻaaliga a le Minerals, Metals and Materials Society (TMS) i Amerika

Hwapeng Auai i Fa'aaliga Alumini i Bhubaneswar Initia

Hwapeng auai i le 148th Fonotaga Faaletausaga & Faʻaaliga a le Minerals, Metals and Materials Society (TMS) i Amerika

Hwapeng auai i le METEC Exhibition i Siamani

Ua auai Hwapeng i le Konafesi lona 2 Global Graphite Electrode i Bangkok Thailand

Hwapeng auai i le IBAAS Conference ma Faʻaaliga i Guiyang Saina

Ua auai Hwapeng i Metal-Expo i Moscow Rusia

Hwapeng auai i le ARABAL Conference ma Faʻaaliga i Bahrain