Made In China stationery mechanism,hardware ring binder

Metal ring binder,stationery mechanisms  manufactured by Dongguan Taoyuan Stationery Co., Ltd feature smooth operation with no damage to files and fit closeness between matching hooks.

 Main specifications/special functions: Elegant appearance, stable structure, scratch and indention resistance intensified folder structure, deformation resistance Materials: Strip steel (supplied by Guangzhou Jinlai Cold Rolling Steel Strip Co., Ltd.)

Surface treatment: Nickel plating, non-nickel (passing the tests of 10 metals and with SGS inspection report available) Optional width for bottom board: 10mm, 15mm, 17mm, 20mm, 26mm, 36mm, 45mm Total length option: 89mm, 123mm, 133mm, 152mm, 158mm, 171mm, 195mm, 210mm, 241mm, 264mm, 280mm, 285mm, 292mm, 384mm Inner diameter option: 11mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 65mm, 78mm Shape option: Q-shaped, R-shaped, D-shaped and slanting D-shaped Type option: patented products, regular products OEM is accepted.