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Over the years, we keep on improving our product quality and customer service, and already have many successful cases on the famous building all over the world.Author: LINVOL Time: 9/11/2019 11:58:58 AM Pageviews:
Invention patent certificate (design method of traction system for freight elevator without machine
Utility model patent certificate (protective cover device for reducing wind noise of elevator fan)
WT1-BS_CA604_180111_en_signed_00
TUV ISO 25745 LTK2000-4m
TUV ISO 25745 LTK2000-4m
TUV ISO 25745 LTHX4000-2m
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