I ngā punaha hiko, ka mahi nui ngā pānui whakawhitinga hei whakahaere, whakamarie, me te wehe i ngā ara hiko. Ki a Zhejiang Greenpower Electric Co., Ltd, kei te māia matou ki te hanga i ngā pānui whakawhitinga voltae iti me waenga, ā, ka tukuna hoki i te whaiaro pai. Ka whakamahia ā matou hua mō ētahi wāhi e whai ana ki ngā hiahia rerekē o ā matou kaihoko o te ao. Mā te arotake ki te haumaru me te maru, kua hoahoa ngā rautaki whakawhitinga mātātoko kia tutuki i ngā herekanga tikangia o te punaha hiko hou.