Product Name: Semi-Automatic Sliding Door Closer (Will-semi-1) Model NO.: Will-semi-1 Types: Silver Contact Points Rivet Shapes: Flat Head and Round Head MOQ: 100, 000 Pieces Certification: ISO9001, SGS, RoHS Size: Custom Experience: 28years Package: vacuum? Pack & Cartons Lead Time: Within 7 Days Materials: AG, Cu, FAG, Agni, Agcdo, Agsno2 Customers: ABB, Ls, Siemens, Schneider, West Germany, Chint Trademark: Will Transport Package: Carton with Film Specification: CE Origin: China HS Code: 8537101990 Product Description Semi-automatic sliding door closer Feature1.No motor no power,door close i self with spring roll2.Single or Bi-part open doors with super silent movement3.Durable spring rollStandard Configuration1.Aluminume Rail2.Hanger rollers3.Stoper4.Brake Rack5.Spring roll6.Floor guide7.Hold open clipFunction Programsself closestay open--------------------------------------------------------------------------------------------------------------------------------------------AdditionalLow noise desigh (<10db)onemillion times of tests passedWarranty: 24monthsWorkshop