Ningbo Fastener Factory was originally subordinated to a state-owned enterprise when it was founded in 1984. Since 1997, it has restructured into a share-holding cooperative enterprise, mainly supplying high strength hex bolts in accordance with ANSI and DIN standards. Diameters of the inch products range from 1/4” to 1” with tensile strength of Grade 2-8, and diameter of the metric products range from M6 to M30 with tensile strength of Grade 4.8-10.9. (…)
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via Ningbo Fastener Factory: A Time-Honored Factory Stays Attuned to the Change and Keeps Moving.