Industry-standard components for high-stress applications.
Why Handan Yongnian is the global hub for high-precision fastener manufacturing.
China accounts for over 70% of the world's fastener production. Factories in districts like Handan Yongnian utilize vertically integrated supply chains, ensuring raw material availability and rapid prototyping for Allen screws and socket cap bolts.
Established in 2015, Handan Yongnian District Dongshuo Fastener Manufacturing Co., Ltd. exemplifies the modern Chinese factory: blending decades of artisanal experience with AI-driven quality control and advanced cold-forging technology.
Adherence to DIN, ISO, ANSI, and JIS standards is non-negotiable. Our Allen screws undergo rigorous tensile strength, hardness, and corrosion resistance testing (Salt Spray Test) to ensure reliability in critical infrastructure.
Bridging the gap between engineering needs and mass production.
The rise of Electric Vehicles (EVs) demands lightweight yet high-tensile fasteners. Our DIN 912 Allen bolts are engineered to withstand the unique vibration profiles of electric drivetrains, offering superior fatigue resistance.
Solar mounting systems and wind turbine assemblies require fasteners with specialized coatings (Hot-Dip Galvanizing or Zinc-Nickel) to survive 25+ years in harsh outdoor environments. We provide customized solutions for green energy projects.
Global procurement today relies on Just-in-Time (JIT) delivery. Our factory utilizes digital inventory management to ensure that global enterprises can source Allen screws with minimal lead times and zero supply chain friction.
Years Experience
Custom Tooling Sets
Quality Inspected
Countries Served
Handan Yongnian District Dongshuo Fastener Manufacturing Co., Ltd. was established in 2015. It is an enterprise specializing in the production and operation of fasteners. Our company is committed to providing high-quality fastener products and providing customers with comprehensive solutions in various industries. As a reputable fastener manufacturer, we have advanced production equipment and a professional technical team to meet our customers' needs for different types of fasteners.
Our wide product range includes bolts, nuts, screws, washers and other fasteners. Through strict quality control and continuous technological innovation, we ensure that every product has excellent quality and reliability.
Combining sustainable practices with industrial-grade precision.
Advanced production equipment and a professional technical team to meet diverse fastener requirements across all industrial sectors.
We use green and environmentally friendly materials and production processes to contribute to society and the environment.
Adhering to the "quality first, customer first" philosophy, ensuring every batch meets the highest international benchmarks.
Expert insights for informed decision-making.
Browse our extensive catalog of industrial fastening solutions.