Other valuable weapons include the two submarines purchased from the Netherlands in the 1980s, which have an operational radius of more than 5000 nautical miles. "They can operate submerged for up to 60 days. They can be deployed outside of PRC ports, and fire torpedoes against surface ships," explains Captain Wang Chao-chu of the submarine Haihu (Sea Tiger).
一九八○年代荷售兩艘劍龍級潛艦海龍、海虎號也是利器，作戰的半徑在五千浬以上，「一潛最多六十天，可以到大陸任何一個口岸，發射魚雷，攻擊水面船隻」，海虎潛艦艦長王昭舉上校表示。