Wenzhou Mingzhe Standard Parts is a manufacturer dedicated to the R&D, production, and custom processing of high-strength fasteners. With years of industry experience, we specialize in manufacturing high-strength, high-precision bolts, nuts, and specialized fasteners to meet the equipment needs of various industries.

Our company offers a comprehensive range of fastener products, including high-strength hex socket bolts, high-strength hex head bolts, high-strength nuts, automotive-grade bolts, double-ended studs, hole-pin bolts, extra-long bolts, anchor bolts, structural steel bolts, all-thread rods, and pins. We also manufacture complementary hardware such as metal lock nuts, round nuts, weld nuts, shaft collars, hole collars, locking washers, flat washers, spring washers, and square keys. Additionally, we provide custom manufacturing services for non-standard and special-shaped fasteners to meet your specific requirements.

Product strength grades cover the full range of 8.8, 10.9, and 12.9. Sizes span from M5 to M00, with support for custom ultra-long, extra-large, and special specifications; lengths can be processed as needed. We strictly select raw materials, using premium options such as 35, 45, 40Cr, 35VB, 20MnTiB, 35CrMoA, 42CrMo, 40CrNiMo, and various stainless steel grades to ensure superior product strength, toughness, and service life from the source.

Our products strictly adhere to multiple industry manufacturing standards, including GB (China), DIN (Germany), ANSI (USA), ISO (International), and JIS (Japan). We also offer custom processing based on customer-provided drawings, samples, or materials to meet non-standard fastener requirements for specialized operating conditions and equipment.

Comprehensive surface finishing options tailored to your anti-corrosion, rust prevention, aesthetic, and application requirements. We offer hot-dip galvanizing, thermal diffusion zinc (Thermiz), Dacromet, phosphating, cadmium plating, chromium plating, white zinc, blue-white zinc, colored zinc, silver plating, nickel plating, and more—enhancing product corrosion resistance, wear resistance, and overall quality.

Widely used across mechanical manufacturing, metallurgy and mining, petrochemicals, automotive production, agricultural machinery, power equipment, railway engineering, construction machinery, hydraulic systems, and more. With high versatility and broad applicability, it is the premium fastener choice for diverse industrial applications.

The company boasts strong manufacturing capabilities with a complete set of advanced production and precision testing equipment. Our experienced engineering team and skilled production staff leverage mature processes and deep industry expertise. We maintain a rigorous quality control system across the entire lifecycle—from raw material intake to processing and final shipment—ensuring consistent product quality and precise specifications for every batch.

With stable product quality and excellent supporting services, our company has become a designated supplier for multiple machinery manufacturing enterprises. We have long provided high-strength bolts and nuts for tower cranes, construction machinery, and other equipment, earning industry-wide recognition. Based in Wenzhou and southern Zhejiang, we serve the entire nation with efficient shipping and comprehensive after-sales support, building a strong reputation and trusted customer base.

Our company has always adhered to the business philosophy of "high sales volume with low profit margins and mutual benefit." We are committed to the development principles of "quality first, customer priority, and integrity-based operations," rewarding our valued customers with reliable product quality, affordable factory-direct pricing, and comprehensive after-sales service. We warmly welcome clients from all regions to visit our factory for inspections and discussions on cooperation, working together to achieve mutual success and long-term growth.