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SAJ serials safety device is the most important apparatus in the pinion and rack builders’ hoist, which can prevent the cage running over speed, and reduce the cage from dropping accident effectively.
The safety devices designed by Shanghai Research Institute of Building Sciences were appraised by Ministry of Construction in 1989, reached the international advanced level of similar products and were designated as the promotion product of the Ministry of construction and the excellent new products of Shanghai. After the improvement and development, SAJ serials safety device has been developed for the full range of products to adapt to all kinds of construction hoist such as gear rack type material hoist and working platform. Our company can also develop various non-standard safety protection devices and equipment according to the user's needs, and provide various safety technical consultation and solutions.
