The LD electric elevator, the passenger elevator from the small machine room to the passenger elevator without machine room, all have a number of choices to meet the installation and use needs of different occasions.Both the business office and the home c
1.weather stripping with non-woven cloth fin door and window 2.product introduction of the non-woven cloth fin weather stripping Pykna non-woven cloth fin weather stripping will be more slience when close or open it ,and function well in buffering, windpr