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Our factory is located in zhenhai, ningbo. It is a manufacturer specializing in the production of high strength nuts. The annual output of nuts is about 4000 tons. The main products are: GB1229 steel structure nut, China standard GB6170, GB6172, GB6175, GB55, GB6178 open groove, 20634 and American standard A194, A563, German standard DIN934, 14399 series, Japanese standard 1186 and various non-standard nut fasteners. Our factory believes in "survival by quality, development by service", constantly expanding and innovating, expanding production varieties, and meeting the needs of users. We will, as always, with first-class products and first-class service, we are willing to cooperate sincerely with new and old customers to create a bright future of fastener industry.

GB1229 steel structure nut, China standard GB6170, GB6172, GB6175, GB55, GB6178 open groove, 20634 and American standard A194, A563, German standard DIN934, 14399 series, Japanese standard 1186 and various non-standard nut fasteners.