The future of fasteners lies in Smart Coatings and Material Hybrids. We are moving away from simple zinc plating toward Zinc-Nickel and Geomet coatings that offer over 1,000 hours of salt spray resistance. Our roadmap includes the integration of RFID-tagged bolts for structural health monitoring in large-scale infrastructure projects.
At Handan Yongnian Dongshuo Fastener, we utilize Factory 4.0 principles. This includes automated optical inspection (AOI) for zero-defect production, real-time IoT monitoring of cold-forging machines, and an agile supply chain that adapts to global raw material fluctuations, ensuring 99.9% delivery reliability for international partners.
Meeting ISO 9001:2015, CE, and DIN standards is no longer the ceiling—it's the floor. We provide full traceability from the steel mill to the finished box, ensuring that every batch of carriage bolts or self-drilling screws complies with REACH and RoHS environmental standards for global market entry.
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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 products are engineered for specific environmental stressors. In the Photovoltaic (PV) Industry, our color-galvanized self-drilling screws prevent galvanic corrosion between aluminum rails and steel brackets. In Automotive Assembly, our high-torque bolts and nylon lock nuts maintain tension under constant vibration. For Civil Engineering, our DIN975 threaded rods and U-bolts provide the structural backbone for bridge supports and tunnel ventilation systems.
Heavy-duty dry wall nails and galvanized bolts designed for high-load residential and commercial framing.
Corrosion-resistant fasteners for solar mounting and wind turbine structural components.
Precision cross-recessed tapping screws for delicate assembly without sacrificing torque capacity.
The price is negotiable. It can be changed according to your quantity or packaging. We provide factory-direct wholesale pricing to eliminate middleman margins.
All of our products are made of high-quality environmentally friendly materials. We conduct internal tensile and hardness tests on every batch.
You can send your own design and logo. We can open new molds and logos, providing rapid prototyping and sample verification.
We can adjust MOQ according to your specific project requirements, supporting both high-volume industrial runs and specialized custom orders.
A1: Self-tapping screws (Sheet Metal Screws) require a pilot hole but create their own threads. Self-drilling screws (Tek Screws) have a drill-bit point that eliminates the need for any pre-drilling, saving significant labor time in metal-to-metal applications.
A2: We offer multiple surface treatments including Hot-Dip Galvanizing (HDG), Electro-Zinc plating, and specialized Ruspert or Geomet coatings which are tested in salt spray chambers to ensure longevity in marine or high-humidity environments.
A3: Absolutely. We maintain an open-door policy for quality audits. We provide internal MTC (Material Test Certificates) and facilitate third-party laboratory testing upon request to ensure 100% compliance with your technical specifications.
A4: For orders >=$1000, we typically require 30% T/T in advance with the balance due before shipment. We support FOB, CIF, and EXW terms, and we can accept payments in USD, EUR, and RMB for your convenience.
A5: Our factory is in Handan City, Hebei Province, the heart of China's fastener industry. We are a one-hour drive from Handan Airport and we welcome all international clients to tour our production lines.
Ready to optimize your supply chain with high-quality self-tapping solutions? Our engineering team is available for consultation regarding material selection, torque specifications, and custom manufacturing requirements.
Dongshuo
