Ndife akatswiri a Natrogen Opanga Opanga ku China, akuchita zida zapamwamba komanso magawo opumira ndi dongosolo la PLC Control dongosolo. Chonde khalani omasuka kugula jestrator yonyamula nayi pamtengo wopikisana mu fakitale yathu. Lumikizanani ndi US kuti tichite masewera olimbitsa thupi.
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