Hangzhou Dong Biao Hardware CO., Ltd  located in Hangzhou,is an Professional fastener enterprises，sets fasteners design、development、production、operation in one,with integration of industry-quality resources, closed to Shanghai and Ningbo port.
    Strictly following the ISO、GB、DIN、JIS、ANSI/ASME Quality System, Hangzhou Xiaoshan Lotus hardware adopts domestic and international high-quality SUS**4,SUS**6top grade material. Our products include hex head cap screws and bolts,round head sq.neck bolts,nuts,hexagon socket cap screws,machine screws,tapping screws,rivets and pins,threaded rods and studs,washers and rings,and wires.