The earth comes from nearby hills and is transported by an elevated system of moving belts. This is the first use of continuous belt transportation in Taiwan. Suao will supplement Keelung harbor.
但因蘇澳港碼頭及施工用地，必須以填海方式取得，工程人員乃研究出一種高架巨型輸送帶，將附近山頭取挖出的土，利用空中運輸，從事「移山填海」的工程。