... . 2.National safety examining report. 3.Hoist model: JK1.5 4. SSE160 Material Hoist is a kinds of new type vertical ... , convenient, safe, cheap, etc. Compared with other common Material Hoist, there are the following features: 1. this machine is equipped ... is always linked, stable work, safe and reliable. 4. Adopt manual hoist to lifting the platform, standing derrick to installing standard section ...