He mea nui te maru o te whakakeke i ngā ara hiko ki ngā punaha hiko hou. Āwhina ngā kaitohutohu ki te whakahaere i ngā ara hiko maru. Mahi ana ratou ki roto i te paraihe kia whakahaere ai i te arcahau ina keke ana ngā ara, ka taea ai te whakaroa i te ora o te taputapu. Kei a Zhejiang Greenpower Electric Co., Ltd ngā kaitohutohu paraihe mō ngā whakamahinga iti hoki, mātārangi hoki te hiko. I tauwhiro mātou i ngā taputapu, i hanga hoki mō ngā paerewa ao i te neke atu i te 30 tau, ā, ka tutuki i ngā matapono o tētahi matāwaka whānui katoa i te ao.