Mayiko 4 Opanga Ma Valavu Padziko Lonse

Kuyika m'magulu mayiko akuluakulu opanga ma valve padziko lonse lapansi ndi zambiri zokhudzana ndi mabizinesi:

China

China ndi dziko lalikulu kwambiri padziko lonse lapansi lomwe limapanga ndi kutumiza ma valve, ndipo lili ndi opanga ma valve ambiri odziwika bwino. Makampani akuluakulu akuphatikizapoNewsway Valve Co., Ltd., Suzhou Newway Valve Co., Ltd., China Nuclear Su Valve Technology Industry Co., Ltd., Jiangnan Valve Co., Ltd., Beijing Valve General Factory Co., Ltd., Henan Kaifeng High-Pressure Valve Co., Ltd., Yuanda Valve Group Co., Ltd., Zhejiang Sanhua Intelligent Control Co., Ltd. ndi Zhejiang Dun'an Intelligent Control Technology Co., Ltd. Makampaniwa ali ndi gawo lalikulu pamsika komanso luso laukadaulo m'magawo a ma valve a mafakitale, ma valve okwera komanso apakati, ma valve amagetsi a nyukiliya, ndi zina zotero.

United States

Dziko la United States lili ndi udindo wofunikira pamsika wa ma valve apamwamba kwambiri, makamaka m'magawo apamwamba kwambiri monga ndege, mafuta ndi gasi. Makampani akuluakulu ndi monga Caterpillar, Eaton, ndi ena, omwe ali ndi ubwino waukulu pakupanga zinthu zatsopano komanso mtundu wa zinthu.

Germany

Germany ili ndi mbiri yakale komanso miyezo yapamwamba kwambiri pankhani ya ma valve a mafakitale. Makampani akuluakulu ndi monga Kaiser, Hawe, ndi ena, omwe ali ndi ukadaulo wotsogola padziko lonse lapansi komanso gawo la msika mu ma valve a hydraulic ndi pneumatic.

Japan

Japan ili ndi mbiri yabwino pakupanga ma valve olondola. Makampani akuluakulu ndi monga Yokogawa Electric ndi Kawasaki Heavy Industries, omwe ali ndi ubwino wapadera pakuwongolera makina odzipangira okha komanso makina olondola.

Mayiko ena

Kuwonjezera pa mayiko omwe ali pamwambawa, mayiko ena monga Italy, France, South Korea, ndi ena ali ndi gawo linalake pakupanga ma valve, makamaka m'magawo enaake ogwiritsira ntchito, monga Danfoss Group ya ku Italy ili ndi udindo waukulu pakupanga ma valve owongolera kutentha, Palmer ya ku France ili ndi gawo lalikulu pamsika pa ma valve a mafakitale, ndipo Samsung Heavy Industries ya ku South Korea ili ndi ntchito yofunika kwambiri pakupanga ma valve opanikizika kwambiri.

Makampani m'maiko awa ali ndi makhalidwe awoawo pakupanga ma valve ndi luso lamakono, ndipo mogwirizana adalimbikitsa chitukuko cha makampani opanga ma valve padziko lonse lapansi.