Door Closer, Panic Exit Device, Floor Spring manufacturer / supplier in China, offering Oubao CE Us Fire Rated Heavy Duty Commercia Door Closer European Egypt (9024DA), Adjustable CE&UL Hydraulic Automatic Fireproof Commercial Aluminum Listed Door Closer for 40-65kg Door 603, UL 10c 3 Hours Fire Rated Door Closer for 25-45kg Door (A12) and so on.