... a hand chain wheel.Double Pawl Spring Mechanism to Further Increase of Sureness: In case one of Pawl spring is damaged ... to stabilize a load in proper position.Bearing Mechanism to Increase Mechanical Efficiency: Use of ball and needle bearings remarkably increases ... from exiting if over lowered. When you feel a noticeable increase in pull force to lower the load, you may realize ...
Top quality flying wheel rubber to increase the friction between wire and wheel slot with very good wear resistance. Top quality flying wheel rubber to increase the friction between wire and wheel slot with very good wear resistance.
... product and prevent the warp, chromatism and crisp up, also increase the production efficiency. The structure, material, hardness and tightness of ...
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