Floor Spring | Door Closer & Hardware OEM/ODM Manufacturer | D&D

D&D offers floor springs with fixed and interchangeable spindles, most spindles are tapered 5.5 degrees for the glass patch fitting of Dorma, but D&D also offers the shaft tapered 10 degrees for New Star and 15 degrees for Royobi. The accessories including top pivot and bottom strip also are provided for the aluminum doors, steel doors, stainless steel doors, and wooden doors. TÜV Rheinland & UL certified door closer and hardware production. Sliding door latch and sliding door closer supplies, including designing, molding, plastic injection, stamping, forging, die casting to CNC machining with 17 years in handling various architectural hardware. SLIDEback sliding door closer, the patented connecting design provides various applications for different sliding doors, and the connection and separation switching bar design allow having a door with or without auto-closed function. New products: sliding door latch, sliding door closer, sliding barn door lock, energy saving mag lock, energy saving mag lock, grade 1 panic and fire rated exit device, etc.