Science and Technology Development Co.,Ltd of SRIBS

(Shanghai Research Institute of Building Science) is a

state-owned high-tech enterprise, which based on scientific

resources of institute. We are China's largest hoist safety

device manufacturer and dealer. Our main products include

SAJ serials safety device, safety device for rope suspended

hoist, for overall ascension of scaffolding, and test equipment.

SAJ series safety device as our main products have already

obtained multiple patents authorized and international certification.