Sinikezela ngoluhlu olubanzi lwezisombululo ezisemgangathweni,
izicelo, kunye neemveliso ukuhlangabezana ngokubanzi,
ingcali kunye neemfuno ezibekiweyo zentambo,
i-fiber optic kunye nenethiwekhi eziluncedo.
Yongjiu Electric Power Fitting Co., Ltd.yasekwa ngo-1989. Ngumvelisi ophambili wasekhaya oqeqeshiweyo wofakelo lwamandla ombane kunye nesincedisi sentambo.
Ngamaziko okulungisa oomatshini akumgangatho ophezulu kumazwe ngamazwe kunye neqela leenjineli ezinamava, iYongjiu iyakwazi ukuvelisa iimveliso ezahlukeneyo kunye nokubonelela ngeenkonzo zesiko ukuhlangabezana nemigangatho yengingqi kumazwe ahlukeneyo.
