Sell various kinds of spare parts for elevator & escalators. 1. elevator Automatic Rescue Device (ARD) 2. elevator intelligent control system 3. elevator light curtain, over-load unit 4. elevator special IC card management system 5. elevator interphone system, elevator alarm, emergency device 6. photo-electric switch: ELS263, GLS 126NT, TLS250, Tls300 7. elevator components: COP, HCB, HIP, Cable, wire rope 8: elevator spare parts: push button, rollers, dodule, fan and so on 9, escalator energy-conservation device 10. elevator or escalator components suitable or replacement for all types