2.DAYU Design Group
Pẹlu Gansu Design Institute ati Hangzhou Water Conservancy ati Hydropower Survey ati Design Institute, 400 apẹẹrẹ le pese onibara pẹlu awọn julọ ọjọgbọn ati ki o okeerẹ ìwò oniru eto fun omi-fifipamọ awọn irigeson ati gbogbo omi itoju ile ise.