Marie Hydraulic Automatic Adjustable Door Closer Hidden-Type Installation Grade 3 Spring Commercial Door Closer

Marie has developed to a high grade enterprise, all products are manufactured under observation of the international commercial high grade hardware standard. Door closer reach the high class fireproof standard. Reliable quality, modern appearance, steadily closing with adjustable sensitive speed, support over 500,000 cycles of using. This door closer comes with a hold opening function, more convenience for goods carrying or ventilating the room Feature: CE, UL certification and fireproof testing Will not leak oil even at minus 40 degrees 0.005mm high precision machining The most advanced vacuum loading technology The most advanced automatic painting line Over 500,000 times open and close testing At least 96 hours salt spray corrosion test 100% inspection Specifications: Applicable Door Weight: 40-65 KG Applicable Door Width: 830-950 mm Material: Aluminum Color: As pictures show Package Size: 475*115*52mm Package Include: 1 * Door closer