MwaukadauloZida mayiko kupanga ndi apamwamba
Zhejiang Standard Valve Co., Ltd. (pambuyo pake amatchedwa STA) ndi kampani yomwe imagwira ntchito kwambiri popanga mavavu, zopangira zitoliro, HVAC ndi zinthu zina.Yakhazikitsidwa mu 1984, kampaniyo ili mu Yuhuan City, Zhejiang Province, likulu mavavu.Pambuyo pa zaka 40 za chitukuko ndi kukula, yakhala imodzi mwazinthu zodziwika bwino mumakampani omwewo.