hinge, continuous hinge. Material: SS 201,SS304,Steel, Finishment: Satin, Polish,Plated Customer design is acceptable Hinge ,Piano hinge, continuous hinge.Material: SS 201,SS304,Steel,Finishment: Satin, Polish,Plated Innovating of Rongtai HardwareRongtai Hardware was established in 1990 .It’s one of the first company to manufacture window friction hinge in China. With the factory base in Shantou, ...