● The gear cover design with high strength prevent the outside impact to protect its internal components.
● The adoption of overall bearing, greatly improved product performance and service life.
● The adoption of low-alloy structural steel plates, more safe and long service life.
● Grade 80 high strength load chain, High safety factor, Long service life.
● The open hook rack prevent the entry of foreign matter to avoid the card ant phenomenon of chain and pulley.
● Steady rotation, high efficiency, light
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