Steel ring binder, 4D ring mechanism

Located in No.82, Qingfeng west road, Shijie town, Dongguan city, covers an area of more than 4000 square meters, Shanghai haotian Stationery hardware Co., Ltd. has more than 10 years of experience and professional team, is specialized in producing all kinds of stationery products and hardware accessories, including 2\3\4\5\6\7\8\9\13\17\20\22\23\26\28\30\34\48 ring mechanisms, lever clip, board clip, lever arch mechanism, pipe binder, teeth chip & plain clip and r...