... supplier of all types of elevators ,escalatorsand parking system with own factory covering the area of 147,600 square meters ... First warkshop:2700 square meters,second warkshop:16000 square meters )with the annual capacity of 40,000 sets elevators, escalators, three ... etc. It greatly reduces the trouble possibilities out of circuit problem, largely enhances the reliability of the lift travel. At the ...