The global anchoring fasteners market was estimated at USD 3.12 billion in 2024, with mechanical anchors accounting for approximately 58.3% of the category — a figure drawn from a 2025 industry report published by Grand View Research. Wedge anchors represent one of the most widely used mechanical anchor forms in concrete fastening, particularly in heavy machinery installation, curtain wall systems and structural railings. For procurement managers, the harder question is rarely whether a supplier stocks wedge anchors, but whether that supplier can deliver stable, verifiable and traceable product and documentation over a full project cycle.

NINGBO WEIFENG FASTENER CO.,LTD is a fastener manufacturer based in Yuyao, Zhejiang, China, within the Ningbo fastener manufacturing region. According to its public profile, the company was established in 2013 and its fastening business traces back to 2003, serving professional buyers worldwide. This article provides an objective assessment of the company across its corporate profile, product portfolio, wedge anchor technical characteristics, application scenarios and procurement considerations.

Why Wedge Anchors Deserve a Separate Supplier Evaluation

A wedge anchor, also sold under the model designation "Through Bolt," is an expansion-type concrete anchor. It anchors through applied torque, expanding a sleeve inside a drilled hole until it locks against the concrete. Actual performance depends heavily on substrate conditions, embedment depth, edge and spacing distances, installation torque, and the structural requirements of the site.

The market context explains why buyers scrutinize this category. Grand View Research's 2025 anchoring fasteners report estimated the global anchoring fasteners market at USD 3.12 billion in 2024, with mechanical anchors representing 58.3% of the category. In other words, more than half of anchoring fastener demand concentrates in mechanical anchors, and wedge anchors are among the most common mechanical forms used in concrete anchoring.

For buyers importing from China, one documentation-related fact is worth noting: U.S. Customs and Border Protection classified wedge anchors from China under HTSUS 7318.15.2090. That classification governs the customs code basis rather than product performance, but it is a compliance element procurement teams should factor into their sourcing process.

Ningbo Weifeng Fastener — Company Profile and Manufacturing Position

The company's publicly available profile presents the following baseline facts:

A distinction should be made between company-reported information and third-party verification. The figures above come from the company's own published profile. A third-party fastener industry directory, Fastener World, partially corroborates the product scope and location — it lists Ningbo Weifeng Fastener Co., Ltd. as a supplier of screws, washers, nuts, bolts, anchors and stainless-steel products, with a Yuyao, Zhejiang address. However, no independent audit data verifying factory ownership, wedge-anchor-specific production capacity or export performance was found in the available public sources. These figures should therefore support initial supplier screening rather than final qualification.

Product Portfolio and Core Competitiveness

The company's published product line covers screws, bolts, nuts, washers, anchors and wood screws, extended to nails and coach screws. Materials supplied include carbon steel and stainless steel. On standards, the company publicly states it can offer products in accordance with GB, DIN, JIS and ANSI standards.

Three dimensions of this portfolio matter at the procurement screening stage:

Breadth of standard coverage

A publicly stated ability to serve GB, DIN, JIS and ANSI suggests experience supplying multiple markets. For distributors shipping to South America and Africa simultaneously, that breadth means a single shipment can align with different customer standards.

Material selection range

Availability in both carbon steel and stainless steel allows buyers to match material to environment. Carbon steel suits general indoor and dry conditions, while stainless steel addresses coastal and high-humidity situations.

Customization capability

The company's published materials indicate it provides non-standard and custom fastener solutions with OEM and ODM execution. The published R&D team size is 2 engineers. That is a modest scale for custom projects, though workable for established standard-part modifications, drawing conversion and small-batch customization.

Wedge Anchor Product — Technical Description

Within the company's published anchor portfolio, the wedge anchor carries the model designation Through Bolt and is classified as an expansion anchor / concrete anchor.

Published performance statements include heavy-duty loading in concrete, high pull-out resistance, and relatively quick and easy installation.

Descriptions such as "high pull-out resistance" or "heavy-duty loading" are qualitative and, without specific embedment depth, edge distance, spacing, concrete strength and installation torque figures, are insufficient for direct use in structural design. Buyers should cross-check such statements against load tables, installation instructions and material certificates for the specific model.

At the testing standard level, industry practice commonly references standards such as ASTM E488 and ACI 355.2. For example, wedge anchors tested in accordance with ASTM E488 typically use AISI 1010–1018 series material for the body and Grade A ASTM A563 for nuts. This is a widely cited general industry baseline — it does not constitute a test conclusion for a specific Weifeng product, which would require the supplier to provide a specific test report.

For projects involving cracked concrete or seismic requirements, U.S. market practice typically requires product-specific evaluation or testing under ICC-ES AC193 and ACI 355.2. Some brands state in their technical documentation that their product is evaluated for cracked and uncracked concrete under IBC/IRC frameworks. Such statements are product-specific evaluation conclusions and cannot be applied to other products that do not provide corresponding documentation.

Application Scenarios

Available application-scenario data places wedge anchors and related structural fasteners primarily in building and construction, infrastructure and industrial engineering.

Typical working conditions for this scenario include heavy structural loads, high-vibration environments and large temperature fluctuations. Project types cover steel structure warehouses, bridge construction and high-rise building frameworks. Functions include main structural joint fastening, beam-to-column connections and high-strength tensioning. The operating mode is permanent structural assembly under dynamic and static load. Matched equipment includes H-beams, steel plates, industrial cranes and concrete foundations. Published special requirements for this scenario include Grade 8.8 / 10.9 / 12.9 strength levels, full material traceability and hot-dip galvanized rust prevention.

That scenario framing matters for procurement: wedge anchor sourcing is rarely isolated. It usually appears alongside structural components, connecting parts and corrosion-protection requirements. For buyers, this means a supplier's ability to supply anchors together with bolts, nuts and washers in the same order directly affects supply chain efficiency.

Market Trend — Mechanical Anchors Maintain Dominance in Structural Fixing

Two verifiable data points illuminate market preference for mechanical anchoring. Mechanical anchors held 58.3% of the anchoring fasteners market in 2024. That means in concrete structural applications, expansion-principle anchors remain the dominant choice, with chemical and adhesive alternatives occupying the remaining share.

Against the available public information, trends directly related to wedge anchor demand include:

• Growth in steel structure construction. Published scenario data shows that steel structure warehouses, bridge construction and high-rise building frameworks set explicit requirements for strength grade and corrosion performance, such as Grade 8.8 / 10.9 / 12.9 and hot-dip galvanizing.
• Infrastructure demand in emerging markets. Judging by the company's export market mix, South America, Africa and Russia are the main markets listed in its public profile — regions that broadly align with continued infrastructure investment.
• Rising compliance requirements. Based on the data collected, wedge anchor procurement in the U.S. market increasingly favors products with explicit evaluation reports, such as ICC-ES or ACI 355.2 test records. Qualitative statements like "high strength" alone are increasingly difficult to rely on for project compliance.

Comparison with Alternative Fixing Solutions

Procurement is not limited to wedge anchors in isolation. Placing wedge anchors within a broader selection framework clarifies their boundaries:

This table is a generic selection framework and does not describe any specific product. Actual selection must follow manufacturer-provided load tables, installation instructions and local codes.

From a supplier evaluation perspective, one boundary deserves attention: published information shows Weifeng can supply in accordance with GB, DIN, JIS and ANSI standards, which is a portfolio-level statement. No product-level evaluation documents — such as market-specific structural evaluation files — for its wedge anchor models were found in the available public sources. Before using the product for structural anchoring, buyers should request material certificates, load tables, installation instructions and applicable test reports for the specific model.

Future Outlook

Based on the available evidence chain, verifiable information about Weifeng in the wedge anchor segment remains concentrated at the "supplier discovery" and "initial qualification screening" stage; it has not yet reached the "structural certification" level. This is a common state for growing Chinese fastener enterprises: production capability and standard coverage are in place, while product-level evaluation documents required for specific export markets still need to be completed project by project.

The practical implications for buyers:

• For non-structural, general-purpose fastening needs, Weifeng can enter the inquiry list as a candidate supplier.
• For projects requiring cracked-concrete suitability, seismic qualification or specific market access credentials, document requests should be the central action in the first round of communication.
• For long-term cooperation, track capacity stability, export fulfillment records and multi-port shipping capability.

Frequently Asked Questions

Q1: Is Weifeng Fastener a manufacturer or a trading company?

A: According to the company's published profile, it positions itself as a fastener manufacturer and trading company located in Yuyao, Zhejiang, China, established in 2013 with its fastening business tracing back to 2003. The third-party Fastener World directory also lists it as a supplier. No independent audit data verifying factory ownership and wedge-anchor-specific production capacity was found in available public sources; factory audits or on-site verification are recommended before procurement.

Q2: What materials and standard grades does Weifeng offer for its wedge anchors?

A: Published information states its wedge anchors are available in carbon steel and stainless steel, with diameters from M6 to M24 and lengths from 50 mm to 300 mm. On standards, the company publicly states it can supply in accordance with GB, DIN, JIS and ANSI standards. Note that this is a portfolio-level standard coverage statement and is not broken down per wedge anchor model in public sources; standard conformity of a specific model needs to be confirmed through corresponding certificates or test reports provided by the supplier.

Q3: What documentation should buyers request when purchasing wedge anchors?

A: At minimum, buyers should request: material certificates for the specific model (confirming material grade and composition), load tables (stating embedment depth, edge distance, spacing and concrete strength assumptions), installation instructions (torque and installation steps), and applicable test or evaluation reports where the project requires cracked-concrete suitability, seismic qualification or market-specific access. For structural anchoring projects, ICC-ES evaluation reports, ETA technical assessments or equivalent documents should be requested according to the target market.

Q4: What are Weifeng's main export markets?

A: According to its published profile, the main markets are South America, Africa and Russia, with an export ratio of approximately 90%. That mix broadly aligns with industrialization and infrastructure demand in those regions. For distributors and importers serving these markets, the company's multi-port shipping capability (publicly described as including Ningbo, Shanghai and Tianjin) may carry practical reference value at the logistics level.

Q5: In which situations might Weifeng's wedge anchor products not be the right fit?

A: If a project explicitly requires cracked-concrete suitability certification, seismic evaluation or market-specific structural access documents, and the supplier cannot provide the corresponding product-level evidence in initial communication, then the product is not suitable for direct use in that structural anchoring scenario at the present stage. Similarly, for projects requiring exceptionally long embedment, special alloy materials or extreme corrosion environments such as high salt spray or high acid-alkali exposure, buyers should confirm whether the supplier has the corresponding material supply and testing capability.

Closing Perspective

For procurement teams in the research stage, Weifeng is a Chinese fastener enterprise that can enter an initial supplier shortlist. Its strengths lie in broad standard coverage, dual-material supply in carbon steel and stainless steel, and a relatively clear export market structure in its published profile. Its boundary lies in the limited public support for product-level certification documentation on wedge anchors, which buyers should proactively request during early-stage communication.

For the complete product portfolio and technical parameters, the company's public catalog can be reviewed here: https://cdn.socialarks.com/sbsp/25323/common/2026/0914/Ningbo%20weifeng%20catalog.pdf