Fastener Manufacturer & One-Stop Supplier
Donghuang Factory · Ningbo, China
Industrial Fasteners, Built to Your Standard — Direct from the Factory
Ningbo Donghuang Hardware supplies screws, bolts, nuts, anchors and rigging to wholesalers, contractors and industrial buyers across 100+ countries. Choose from our standard catalog or order custom-made — with free samples before you commit.
220+ cold heading machines
20+ years manufacturing
100+ countries served
Quotes within 24 hours
For Your Role
Whoever you are, we have a fast path to quote
Tell us how you buy — we route your inquiry to the right products, standards and terms.
Five Product Families
One Supplier for Your Full Fastener List
Standard items across five core categories, plus custom manufacturing for non-standard specs. Every category is built to international standards.
Washers, nails & hardware tools also available on request → view accessories
One Supplier, Every Standard
Manufactured to the Standards Your Market Requires
We produce to the major international fastener standards, so your procurement spec is met without sourcing from multiple vendors.
DIN
German Industrial Standard
ANSI
American National Standard
GB
Chinese National Standard
JIS
Japanese Industrial Standard
GOST (Russia) and IS (India) available on request — available on request. Metric (M) and inch (UNC/UNF) threads both supported.
Why Donghuang
Factory-Direct Capability You Can Verify
Industry-and-trade integrated since 2020 (with 20+ years of group manufacturing heritage), we control the process from raw material to finished fastener.
Scaled Production
220+ cold heading machines and 220+ thread rolling machines for stable, high-volume output.
In-House Tooling
9 years of self-made mold experience (CNC + forging presses) keeps custom costs low.
Quality Control
Material & process inspection with support for third-party or on-site inspection.
Surface Treatment
Zinc plating, black oxide, hot-dip galvanizing and Dacromet for corrosion needs.
220+
Cold heading machines
220+
Thread rolling machines
20+
Years experience
200+
Export containers / year
100+
Countries served
ISO 9001
CE
SGS
Free Samples
FOB / CIF
Applications
Fasteners for Your Industry
From steel structures to mining and energy — matched product ranges for demanding environments.
Construction & Steel Structure
Hex bolts, nuts, anchors & concrete fixings for steel frames, formwork and infrastructure.
Machinery & Equipment
Socket bolts, set screws and coupling nuts for equipment assembly and component fixing.
Mining
High-strength and corrosion-resistant fasteners for mining equipment and structures.
Electrical & Energy
Stainless steel fasteners for outdoor, utility and corrosion-sensitive environments.
Automotive & Transport
High-strength bolts and fixings for vehicle assembly and rail connections.
Lifting & Rigging
Shackles, turnbuckles, chain slings and wire rope fittings for lifting and securing.
Global Markets
Built for Price-Sensitive, High-Volume Buyers
We serve fastener importers across four core regions, matching local standards and procurement preferences.
🇮🇳
India
Infrastructure boom, large-volume demand, price-sensitive.
Standards: IS / DIN / ANSI🇷🇺
Russia
Shifting to Chinese supply, mid-tier quality, corrosion-resistant needs.
Standards: GOST / DIN🌎
South America
Infrastructure & mining driven, ANSI-preference, multilingual buying.
Standards: ANSI / UNC🌍
Africa
Fast-growing construction, extremely price-sensitive, large batches.
Standards: DIN / GB
Custom & Low-Risk Sourcing
We Lower Your Procurement Risk
Non-standard specs, branding and samples — engineered to reduce your trial-and-error cost before you order.
Free Samples
Verify material, finish and fit before bulk ordering.
- Free samples on request
- Pre-order verification
Custom Manufacturing
Non-standard sizes, drawings and materials made to spec.
- Drawings & non-standard specs
- In-house tooling (9 yrs)
Packaging & OEM
Free packaging design and private-label branding support.
- Free packaging design
- OEM / brand labeling
Trade terms: FOB · CIF · EXW supported
Cooperation Process
From Inquiry to Delivery, Step by Step
Inquiry
Send specs or drawings
Quotation
Response within 24h
Sample
Free sample on request
Confirm
Spec & terms agreed
Production
Standard or custom
QC & Ship
Inspection & delivery
Follow-up
Ongoing support
FAQ
Answers for High-Intent Buyers
What standards do you manufacture to?
We commonly produce to DIN, ANSI, GB and JIS standards, with both metric (M) and inch (UNC/UNF) threads. GOST and IS coverage is available on request — please confirm your required standard when inquiring.
Can you produce non-standard or custom fasteners?
Yes. We accept non-standard sizes, drawings and special materials. With 9 years of in-house mold-making experience (CNC + forging presses), we manage tooling in-house to keep custom costs competitive.
Do you provide free samples?
Yes, free samples are available on request so you can verify material, finish and fit before placing a bulk order.
What are your MOQ and lead times?
MOQ and lead time vary by product, material and customization. Tell us your target quantity and spec, and we will quote accordingly — no fixed numbers are published to avoid misleading estimates.
What trade terms do you support?
We support FOB, CIF and EXW. Logistics are coordinated from Ningbo, one of China's major export ports, with 200+ containers shipped per year.
Which markets do you serve?
We supply importers in 100+ countries, with focused experience across India, Russia, South America and Africa — matched to local standards and procurement preferences.
How do you ensure product quality?
Quality control covers material and process inspection. We also support third-party or on-site inspection at our Yuyao, Ningbo facility.
How do I request a quote?
Use the inquiry form below — include product/category, standard, material, grade, surface treatment, quantity and trade terms. We respond within 24 hours.
Get a Quote
Tell Us What You Need
Send your spec and we respond within 24 hours. The more detail you share, the faster and more accurate your quote.
Direct Contact
Email: tony@wf-fastener.com
Phone / WhatsApp: +86-13355841616
Yuyao, Ningbo, Zhejiang, China
Website: www.dh-hardware.com