Valve Corporation
Valve Kong-si (Valve Corporation) sī Bí-kok ê tiān-náu iû-hì khai-hoat kiam hoat-hêng siong, chóng-pō͘ siat tī Washington chiu ê Bellevue, in sī Half-Life, Counter-Strike, Portal téng chok-phín kap sò͘-ūi hoat-hêng pêng-tâi Steam ê khai-hoat-chiá.
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