D900 DOOR CLOSER
https://www.dorrenhaus.com/Product-Details.html?_l=zh_CN&product_id=114-
Product Category
Windows & Doors System
Door Weight:40-65KG & 60-85KG
Power Size:3# & 4#
Door Width:900-1000mm & 1000-1100mm
European Style Designed Door Closer
Sliding Track Arm Optional