Ubuchwepheshe bokukhiqiza bamazwe ngamazwe obusezingeni eliphezulu kanye nekhwalithi ephezulu
I-Zhejiang Standard Valve Co., Ltd. (ngemuva kwalokhu ebizwa ngokuthi i-STA) yinkampani esebenza ngokukhethekile ekukhiqizeni ama-valve, ukufakwa kwamapayipi, i-HVAC neminye imikhiqizo.Yasungulwa ngo-1984, le nkampani itholakala eYuhuan City, esifundazweni saseZhejiang, inhloko-dolobha yama-valve.Ngemuva kweminyaka engama-40 yokuthuthuka nokukhula, isibe ngomunye wemikhiqizo eyaziwayo embonini efanayo.