he heavy -duty shake twisted is also called a heavy manual twisted, a heavy manual twist, the shell is made of steel plate material, 5+thick, and the load is easy to carry.

The heavy twisting has a two -way self -locking function, that is, no matter which direction it shakes, as long as it stops shaking the handle, the twisted plate will stop running.

Heavy twisted plates are mainly used in stage curtains, cortex, and curtains to improve the improvement. The noise is low, the operation is stable, and the two -way self -lock is strong and durable.

A total of four specifications are divided into four specifications, namely: 0.5 tons, 1 ton, 2 tons, and 3 tons. The capacity of the capacity can reach 40 meters. You can match various hooks according to customer needs.