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Shanghai quality supervision bureau investigates Huangpu District old elevator transformation pilot project 2018/04/04
The first high-rise building in Shanghai can also generate electricity. 2018/04/04
Chongqing: old elevator renewal residents rest assured to go upstairs and downstairs 2018/04/04
Shenzhen stipulates that every year the elevator can buy insurance for 80 yuan, or 1 million. 2018/04/04
Xujiahui station elevator transformation to meet the first peak passengers questioned "9 to 1" escalator direction is not reasonable. 2018/04/04
Zhabei District quality supervision bureau leader visited new elevator to work on elevator Internet of things (map) 2018/04/04