Gaoyao City Jinli Town Redeco Door Control Hardware Products Factory was founded in 1993, is one of the biggest manufacturer in China .Its specialized in the production of floor springs, patch fitting, door closers , door handle and a series of hardware gating products. Lidegao people have researched and developed various hydraulic products with great concentration for ten years. We own plenty of technology to develop various hydraulic pressure machines, and completely master each fitting of ...