- Three core components , the host, door machine, control drive system (that is, the panel in the control cabinet and converter) steel wire rope, long service life and can reduce maintenance costs, speed limiter, buffers, safety gear, the three is the most key components in the elevator safety, more than four pieces can consider to import
- Four Spaces: part of the machine room, well road and pit, car part, floor part.
Eight systems: traction system, guide system, cage, door system, weight balance system, electric drive system, electrical control system, safety protection system.
- Eight application technologies:
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