In the current industrial landscape, global procurement for "Big Bolts" has shifted from mere cost-saving to a focus on Supply Chain Resilience. Tier-1 engineering firms now prioritize suppliers who offer integrated R&D, metallurgical transparency, and rapid prototyping. As a leading China Big Bolt factory, we address these needs by providing end-to-end traceability.
There is a surging demand for high-tensile fasteners (Grade 8.8, 10.9, 12.9) and corrosion-resistant alloys like 316L stainless steel. This trend is driven by massive infrastructure projects in renewable energy (wind turbines) and deep-sea exploration, where standard bolts fail to meet safety margins.
The "Made in China 2025" initiative has transformed Ningbo's industrial clusters. Our facility integrates AI-driven quality control and automated CNC machining, ensuring that every "Big Bolt" produced meets sub-micron tolerances, reducing human error and increasing production speed by 40%.
Founded in 2004, Ningbo Krui Hardware Product Co., Ltd. has established itself as a leader in the hardware manufacturing industry. Strategically located in Ningbo, one of China’s premier industrial hubs, our facility is just 15 minutes away from the Ningbo seaport, ensuring efficient logistics and timely global delivery.
As an ISO 9001:2008 certified company, we are dedicated to excellence. Our operation is driven by a robust R&D department, an experienced management team, and a workforce of 55 highly skilled professionals. By leveraging state-of-the-art manufacturing and testing equipment, we guarantee that every product meets the highest standards of quality and precision.
We specialize in providing comprehensive OEM solutions for non-standard metal components. We manufacture parts based on your exact drawings or physical samples, covering machined parts, stamped parts, and complex assemblies.
Our catalog includes Nuts, bolts, screws, rigging, brackets, rods, washers, bushings, rivets, pins, springs, handles, nails, inserts, sleeves, studs, wheels, spacers, and covers.
We work with various materials, including Stainless Steel (304/316L), Carbon Steel, Alloy Steel, Aluminum Alloy, Zinc Alloy, Copper, and Brass. We maintain a large, cost-effective stock for immediate supply.
Witness the precision of China's industrial heart. Our Ningbo facility combines traditional craftsmanship with modern automation.
Our Big Bolts are used in high-stress structural joints for suspension bridges and skyscrapers across Europe and North America, where safety is non-negotiable.
Utilizing 316L stainless steel, our fasteners resist salt-spray corrosion, making them ideal for shipbuilding and offshore oil rigs in the North Sea and Gulf of Mexico.
From solar panel mounting brackets to heavy-duty bolts for wind turbine nacelles, we support the global transition to green energy with durable hardware.
Our combination of 20 years of experience, ISO 9001 certification, and proximity to the Ningbo port allows us to offer high-precision custom hardware with unmatched logistical efficiency.
Yes, we specialize in OEM solutions. We can produce non-standard metal components based on your CAD drawings, 3D models, or physical samples.
We work with high-grade stainless steel (304, 316, 316L), carbon steel, alloy steel, and non-ferrous metals like aluminum and brass depending on the application requirements.
We utilize advanced testing equipment, including tensile strength testers and salt spray chambers, managed by our experienced R&D and QC teams to ensure every batch meets international standards.
Lead times vary by complexity, but our strategic location near the Ningbo seaport allows us to minimize transit times once production is complete, typically serving markets in 3-6 weeks.
With 60–70% of our production serving the domestic market and 30–40% exported to North America, Europe, and Asia, we understand the global standard for excellence. We invite you to visit our factory in Ningbo for a face-to-face discussion and to see our capabilities firsthand.
Contact our engineering team for a technical consultation on your next Big Bolt project.
Krui Hardware
