集装箱半自动拉索吊具20尺和40尺 1. 适合ISO标准集装箱；2.旋锁装置无需人工拉索既可实现旋锁动作。 Semi-Automatis Stay Rope Container Spreaders in 20 feet and 40 feet: A) It is suitable to ISO standards container. B) Twistlock structures can finish the twistlock movemens without manual rope.