Top-tier components engineered for the rigors of heavy industry and construction.
The North Korean industrial market, particularly in the Special Economic Zones (SEZs) like Rason and the infrastructure corridors near the border cities, is undergoing a phased revitalization of its heavy industry. As a premier bolt manufacturer and factory, we recognize the critical need for high-tensile fasteners (Grade 8.8, 10.9, and 12.9) that can withstand the extreme climatic conditions and heavy-duty mechanical stress prevalent in the region.
From the mining sectors in the north to the textile and manufacturing hubs, the demand for standardized DIN and ISO fasteners is rising. Reliable fastening is the backbone of the mining equipment used for coal and magnesite extraction—industries that are vital to the local economy.
Navigating the logistics of the North Korean market requires a partner with deep experience in Dandong-Sinuiju trade dynamics. Our factory provides comprehensive localization support, ensuring that all products meet both international standards and the specific structural requirements of local engineering bureaus. We specialize in providing documentation and batch-testing certificates that facilitate smooth cross-border transit and verify structural integrity for state-led construction projects.
Located in the Handan Yongnian District—the "Fastener Capital of China"—Handan Yongnian District Dongshuo Fastener Manufacturing Co., Ltd. leverages a world-class supply chain. Our proximity to high-grade steel mills and specialized heat-treatment facilities allows us to offer:
Established in 2015, we are a specialized enterprise at the forefront of fastener technology. Our mission is to provide comprehensive solutions across construction, automotive, and machinery sectors. With advanced production equipment and a professional technical team, we solve the most complex fastening challenges.
Standardized DIN 933 and DIN 931 bolts for bridge construction and high-rise structural frames in urban development zones.
High-strength 10.9 grade U-bolts and pressure plates for crushing equipment and transport conveyors in mineral-rich provinces.
Galvanized threaded rods and nuts for power transmission towers, ensuring 30+ years of oxidation resistance in mountainous terrain.
The global trend is shifting towards "Green Fasteners." Our factory is leading this change by implementing eco-friendly zinc-plating processes that eliminate hexavalent chromium, meeting modern environmental standards. Furthermore, we are seeing a shift toward "Assembly-Ready" kits, where bolts come pre-assembled with washers (DIN 6921 style or custom sets), significantly reducing labor costs at the construction site.
1. Can you supply bolts that meet North Korean industrial standards?
Yes. While we follow international standards like DIN, ISO, and ANSI, we can customize dimensions and material grades to match the specific "KPS" (Korean People's Standard) requirements for local projects.
2. How do you handle shipping to the Rason SEZ?
We have established logistics partners in Dandong and Tumen who specialize in regional delivery, ensuring all customs documentation for fastener exports is handled with precision.
3. What is the minimum order quantity (MOQ) for custom U-bolts?
As a direct factory, we offer flexible MOQs depending on the material. Typically, for carbon steel U-bolts, we start at 1,000 units, but we accommodate smaller runs for specialized infrastructure projects.
4. Do you provide technical support for selecting bolt grades?
Absolutely. Our technical team can advise on the torque requirements and coating types (such as Zinc-Nickel for coastal environments) based on your specific application in the North Korean market.
Dongshuo Fastener
