1.Name:door control,door closer 2.Material :Die casting aluminum 3.Install dimension:208*19MM 4.OEM service good quality 1.Name:door control,door closer2.OEM service ,good quality and best price.3.we can accepted small orderThe closing and latching speed can be adjusted.MQO:500PCS/styleDo the OEMProvide the samples for you , to check its quality .With CE,UL,and ISO Certificate NW:23kg/CTNGW:24kg/ ...