Kimwe na Valve Co, Ltd., umunyamwuga wabigize umwuga utanga ibinyugunyugu bya valve, yitangiye gutanga ibikoresho byo mu rwego rwo hejuru bigenzura ibicuruzwa biva mu nganda bigezweho. Ibicuruzwa byabo bikoreshwa cyane mubijyanye na peteroli, inganda zikora imiti, amashanyarazi, gutunganya amazi, nibindi byinshi. Guhitamo ibinyugunyugu byujuje ubuziranenge muri Leco Valve birashobora kuzamura imikorere yimikorere ya sisitemu mugihe bigabanya ibiciro byo kubungabunga no guhungabanya umutekano. Hamwe nubwitange bwabo kubwiza, Nka Valve itanga serivisi nziza nabakiriya. Mubyongeyeho, Kimwe na Valve (Tianjin) Co, Ltd nayo ni isosiyete izwi mu nganda, itanga ibisubizo byikinyugunyugu byo hejuru. Abakiriya barashobora kwizera aya masosiyete gutanga ibicuruzwa byizewe kandi byiza kugirango babone ibyo bakeneye byo kugenzura amazi.