About Us

• Dongsheng Fasteners Factory, a jumped-up fasteners-produce factory commands the attention of the world which in the north coast of Hangzhou Bay and the seaside of Dong Sea. The main production Haiyan Ruibo Hardware Factory produce professionally---the production of protedtive barrier stay in head in china, and protective barrier enjoy good prestige for a long time in the world, especially in the EU. Other leading production(such as :different standards of carriage bolt, machinescrew, 571outer hexagon series of Germany system, American system and British system) sells well in the world, especiallyin USA, France, Australia, Italy, Middle East and dozen of other countries, and the production shares a proportion there. All kinds of nonstandard production get deep welcomes because of the good quality. We will insist the logos of quality first and manage in good faith, and make friends wiht all the world.