通过研究，采用了双线往复门架式牵引系统，自主研制了能实现均衡放索的大吨位主牵引卷扬机、被动放索机构等关键机具。
The hauling system is adopted in accordance with the results of the study. Critical equipment, such as the large tonnage winch and passive unreeling machine, are manufactured.
公司主要产品，车辆和船用各类升降器、 稳定器、手动卷扬机、牵引机、汽车操纵部伯，以及各种成批中小型零部伯。
What we produce are mainly all types of lifts steadiness manual windlasses retractors acctomobile's manipulativeparts and batch of small middle sign of parts of acctomobile's and ships.
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