Welcome to Ningbo Cityland Fastener Co., Ltd., a premier manufacturer of high-quality fasteners. Our flagship product, the Din6923 hexagon nut with flange, is specifically engineered with a serrated flange to prevent loosening caused by vibrations, making it ideal for use with high-strength bolts and screws. At Ningbo Cityland Fastener Co., Ltd., we are committed to excellence, producing fasteners that adhere to the highest industry standards. Crafted from top-grade materials, our Din6923 nuts ensure durability and reliability across various applications. We prioritize quality and precision in our manufacturing processes and have implemented stringent quality control measures to meet the most rigorous requirements. Our extensive capabilities allow us to provide both standard fasteners and customized solutions tailored to meet individual specifications. Our dedication to customer satisfaction and product quality has established us as a trusted partner in numerous industries. Select Ningbo Cityland Fastener Co., Ltd. for all your fastener requirements and experience the advantages of working with a dependable and innovative manufacturer.