国产αv天堂在线观看免费_无遮挡一级毛片视频免费的_精品在线观看黄色视频_亚洲av高清一区二区三区_国产精品欧美亚洲制服_99精品视频在线观看30_亚洲天堂婷婷五月丁香久久_SM脚奴调教丨踩踏贱奴_巨胸喷奶水视频WWW在线观看_正在播放一ノ瀬アメリ精品

  Hotline

021-58166951 / 021-58166952
language

Products
  • Features：Placed on car roof for maintainer to do maintenance.
  • Features：leveling sensor device, when the lift enter leveling area, leveling magnetic isolation plate inserted into the sensor to cut off magnetic circuit.
  • Features：Mainly connected with cable, control the two-way transmission between car platform sill signal and elevator main control system, for maintainer to do maintenance on the car roof.
  • Features：Electrical safety component is applied in elevator maintenance operation or emergency electric operation, placed on car roof or machine room, and met the requirements of national standard.
  • Features：Electrical safety component is applied in elevator maintenance operation or emergency electric operation, placed on car roof or machine room, and met the requirements of national standard.
  • Features：Electrical safety component is applied in elevator maintenance operation or emergency electric operation, placed on car roof or machine room, and met the requirements of national standard.

Copyright ? 2016 SHANGHAI LINGCHUAN ICP:11035850  All Rights Reserved