Ningbo Jiulong Chuangzhan Fastener Holding Co., Ltd. is an enterprise specializing in the production, research & development, sales, and technical service of high-strength fasteners. The products, including hexagon bolts, socket head screws, studs, hexagon nuts, welding studs, other high-strength fasteners, and non-standard fasteners made according to the drawings, are widely applicable in metallurgy, power, petrochemical industries, large span steel structure factories, high-rise buildings, wind power generation, railway bridges, cross-sea bridges, subways, oil refineries, etc. The company has passed the ISO9001:2015 Quality Management System, IATF 16949:2016, ISO14001:2015, and ISO45001:2018 certifications. All products adhere to the standards of GB, ISO, EN, DIN, ASME, JIS, BS, and other international standards.
hexagon bolts, socket head screws, studs, hexagon nuts, welding studs，high strength bolts
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