while in the late eighties and the beginning of the next decade, Zalf noticed a considerable expansion of output, reaching 25,000 sq. meters of coated location. New CNC devices were being released, which doubled day-to-day output. V?i cam k?t ??t s? an toàn và b?o m?t lên hàng ??u, gi?i thi?u Zalv s? d?ng công ngh? Hello?n ??i ?? b?o v? thôn