What is your working time?

In general, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day.

How long does your delivery time take?

In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.

How many countries you already exported to?

We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.

Can I go to your factory to visit?

Of course, we welcome customers from all over the world to visit our factory.

Does the product have quality inspection before loading?

Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed and customers can appoint third parties to inspect the products before loading too.

Hollow Bar Anchor Bolt for Tunnel Engineering R25

Name: Hollow Bar Anchor Bolt for Tunnel Engineering R25
Brand: Handan Topmetal Co., Ltd.
SKU: 747553212

Hebei, ChinaHandan Topmetal Co., Ltd.

US$3.00-20.00

2,000 Meters

Product profile

Customization

Available

Application

Construction

Certification

ISO

Model NO.

R25

Surface Treatment

Yes

Technics

Hot Rolled

Material

Steel

Type

Rock Bolt

Transport Package

Bundle

Specification

R25, 32, 38, 51, T76

Trademark

TOPMETAL

Origin

China

HS Code

7308400000

Production Capacity

100000m

Key features

Hollow Design for Grouting: Realizes grouting pipe function and avoids mortar loss compared to traditional pipes.

Full Pressure Grouting: Ensures full grouting to improve project quality and consolidate broken rock mass.

Anti-Corrosion Capability: Mortar wraps entire anchor body to avoid rust and achieve long-term support.

Easy Installation: Convenient to install plate and nut without needing on-site thread machining.

High-Strength Material: Mainly produced by high-strength seamless steel pipes for durability.

Versatile Application: Widely used in tunnels, mining, slope stabilization, and underground engineering.

ISO Certified Quality: Product meets ISO certification standards for reliability and safety.

Custom Manufacturing: Production available according to customer specifications and drawings.

Company profile

Handan Topmetal Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-12-24Nearest Port: Xingang, Qingdao, ShanghaiAverage Response Time: ≤6.01hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryHandan Topmetal Co., Ltd. is a China-based limited trading company with stated manufacturer/factory capability, specializing in geotechnical engineering and related steel products. The supplier reports its own factory, more than 10 production lines, ISO 9001 certification, 50 years of total R&D engineer experience, and 11–20 quality-control staff. It exports approximately 90% of sales and serves markets across multiple regions, with stated lead times of within 15 working days during off-peak periods and one month during peak periods. The information supports strengths in production infrastructure, quality-system certification, export reach, and relevant product experience. However, evidence is insufficient to confirm customization capability, after-sales service processes, financial credibility, or specific customer cases. No financial figures are included.

Supplier typeThe supplier is identified as a trading company and as both a trading company and manufacturer/factory. It has an identified factory location and specializes in geotechnical engineering products, indicating a hybrid trading-manufacturing structure rather than a pure intermediary.

CertificationsThe supplier explicitly reports holding ISO 9001 management-system certification. This is direct evidence of a documented quality-management certification, although the provided information does not include its validity period or certification scope.

R&D capabilityThe supplier reports 50 years of total R&D engineer experience, which supports access to experienced technical personnel. Nevertheless, no information is provided on patents, new-product development, proprietary technology, or documented innovation outcomes.

Production capacityThe supplier states that it has its own factory, operates more than 10 production lines, and maintains relationships with cooperative manufacturers. It also reports broad export coverage and stated order lead times of within 15 working days off-peak and one month during peak periods, supporting substantial production and fulfillment capability.