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Product Introduction
The cast iron parts in the picture are pulleys. The cast iron material makes it have good wear resistance and strength, and can withstand large loads. Pulleys are often used in mechanical systems such as lifting and transportation. By winding ropes, they can change the direction of force or achieve labor-saving. They play a key role in transmission or load-bearing in equipment in many industries such as mines and construction. The pulleys shown in the figure are often important parts for efficient operation in relevant mechanical devices.
