NSEN idzawonetsa FLOWTECH ku Shanghai

Maimidwe athu:HALL 4.1 Imani 405
Tsiku:Juni 2-4, 2021
Onjezani: Shanghai National Exhibition and Convention Center (Hongqiao)

Takulandirani kudzatichezera kapena kutichotsera funso lililonse laukadaulo la valavu yagulugufe yokhala ndi zitsulo.

Monga akatswiri opanga ma valve a butterfly kuyambira 1983, NSEN imayang'ana kwambiri ma valve a butterfly.Kutengera zaka za 38, NSEN yakhala ikukula kuti igwirizane ndi valavu kuti ikhale yovuta.