Yiwu pulleys are located in international trade city district two, the second floor. Many types of pulleys are gathered there and they are made of fixed pulleys and free pulleys. In this way, it is not only save effort but also change the purpose of the effort itself. 

The meaning of Yiwu pulleys shows the theory of physics. They usually include fixed pulleys, free pulleys; the two pulleys can mix into pulley blocks. The materials of Yiwu pulleys are usually have wood pulleys, steel pulleys, engineering plastic pulleys. They can not only guide pulleys but also balance pulleys. 

There are also metric pulleys and inch pulleys of Yiwu pulleys. They can load different heavy objectives when put them in a tall height. The ratio of the long arm to the short arm shows the mechanical advantage of different levels.

The wholesale pulleys online are very convenient and it can save your time.