Our History
Established in 2002, our factory was originally named Heng'an Nut Factory. We officially rebranded to Handan Hengmai Fastener Manufacturing Co., Ltd. in 2017.
Our factory covers an area of over 5,000 square meters with production equipment worth more than ten million RMB. We are a professional fastener manufacturer located in Yongnian, China's famous fastener base.
We mainly focus on carbon steel hex nuts, including Grade 4.8 ordinary nuts and Grade 8 high-strength nuts. We also supply matching bolts, flat washers and spring washers to support one-stop procurement. Multiple surface treatments are available: black finish, electro-galvanized and hot-dip galvanized. Our products are widely used in construction projects, steel structures, pipeline installation, infrastructure and mechanical engineering.
Adhering to the philosophy of "Integrity as the Foundation, Quality as the Soul", we implement strict quality control in every production process. We can supply standard products and custom non-standard fasteners according to drawings and samples.
Our products are exported to the Middle East, Southeast Asia, North Africa, South America, Azerbaijan and Tajikistan. We have won consistent recognition from global engineering contractors and fastener wholesalers. Complete specifications, stable quality and competitive prices strengthen our market advantages, supporting long-term win-win cooperation with customers worldwide.
Our Factory
We are a professional manufacturer and exporter of standard fasteners, based in Yongnian District, Handan City, Hebei Province - China's most renowned fastener industrial cluster.
Focusing on the production and supply of high-quality nuts and bolts, our core product range covers Grade 4.8 and Grade 8 carbon steel nuts, including standard size series and customized specifications. Our factory supports various surface treatments such as black finish, electro-galvanized and hot-dip galvanized to meet different environmental and construction requirements.
Equipped with complete production equipment and standardized production workshops, we implement strict quality control throughout raw material selection, production processing and finished product inspection. All products comply with international standard specifications, ensuring stable performance, high durability and consistent quality for global engineering and wholesale markets.
With stable production capacity, flexible order arrangement and reliable delivery cycles, we have accumulated rich experience in serving overseas customers. We adhere to the principle of stable quality, competitive pricing and professional service, and focus on building long-term and stable cooperative relationships with global buyers.
We sincerely welcome customers from all over the world to inquire, customize products and establish win-win cooperation.
Our Product
1. Carbon Steel Standard Nuts
- Grade 4.8 Ordinary Nuts
- Grade 8 High-Strength Nuts
- Hexagon Standard Nuts
- Thickened Nuts / Heavy Duty Nuts
- Fine Thread Nuts
2. Surface Treatment Series
We support all conventional anti-corrosion and surface treatments to adapt to different working environments:
- Black Finish / Black Oxide
- Electro Galvanized / Zinc Plated
- Hot Dip Galvanized (HDG)
3. Special & Non-Standard Custom Nuts
According to customer drawings and samples, we produce various non-standard size nuts, special-shaped nuts, and customized fasteners for special engineering.
4. Supporting Fastener Products
Matching bolts, washers, flat washers and spring washers for one-stop procurement.
Product Application
Our nuts and fasteners are widely applied in steel structure engineering, construction, machinery manufacturing, pipeline installation, transportation facilities and general industrial assembly.
Our Certificate
1. First Council Member Unit
Awarded by Hebei Fastener Industry Association, representing our standardized operation and high recognition within the fastener industry.2.
Environmental Impact Assessment Approval
We hold official environmental assessment documents. All production follows national environmental protection regulations, supporting stable, compliant long-term production.
3. Product Test Reports Available
We can provide official mechanical property test reports for nuts. Hardness, tensile strength and dimension inspection records are supplied to guarantee products meet relevant international standards.
Production Equipment
We are equipped with a full set of advanced production equipment, including cold heading machines, tapping machines, surface treatment production lines and precision testing instruments. We implement standardized production procedures from raw material processing to finished goods, ensuring stable dimensional accuracy and consistent product performance.
Production Market
Our products are widely sold in both domestic and overseas markets.
Domestic market: We provide a steady supply to fastener distributors, construction companies and machinery manufacturers across numerous provinces and cities nationwide.
Overseas markets: Our products are primarily exported to the Middle East, South-East Asia, North Africa and South America, where we have established long-term, stable partnerships with local engineering contractors, hardware wholesalers and import traders.
Our Service
Pre-sales Service: Our professional sales team provides timely consultation service. We offer product parameter introduction, specification recommendation, solution matching and quotation support according to customers' project demands. Free sample service is available for quality verification. We can discuss customized solutions for special sizes and surface treatments.
In-sales Service: We arrange production reasonably after confirming orders. We keep customers updated on production progress regularly. We provide dimension inspection photos and quality test records before shipment. Flexible packaging schemes can be arranged as customers' requirements to guarantee safe delivery.
After-sales Service: We maintain smooth communication after delivery. If any quality problems occur caused by our production, we will actively communicate and provide proper solutions. We collect customer feedback continuously to optimize our products and service, striving for long-term cooperative partnership.

