... 1.High quality with CE ,ISO certificates 2.Quality die-casting aluminum alloy 3.Different ... 40kg90°hold-open/Non hold-openCharacteristics:1,Power level:2#2,Max.door width:950mm,load bearing ≤40KG3,Double ... structure and mechanical properties,so that the door closer is more stable and reliable. 7,The product ... environment Certificates: Our projects: Our products: Aluminum Automatic Door Closer YT-051A