Synchronous belt wheel transmission is by a root surface within weeks with equal closed ring tape and the corresponding of pulleys.

    When motion, teeth and take the wheel with scallop mesh movement and motive, is passed a mesh transmission, thus has the gear transmission chain transmission belt transmission advantages of peace.

    Allow in pollution and work environment is more of the bad situation machinery manufacturing cars work such as the textile light industry chemical metallurgical mining military instruments machine agricultural machinery and mechanical transmission in the business.