What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

What certifications does the product have?

The product is certified with CE and ISO 9001:2000.

What is the after-sales service policy?

We provide online after-sales service support.

Different Sizes 29u U Steel Beam Arch for Coal Mine Support

Name: Different Sizes 29u U Steel Beam Arch for Coal Mine Support
Brand: Shandong China Coal Construction Machinery Co., Ltd.
SKU: 2054360312

Shandong, ChinaShandong China Coal Construction Machinery Co., Ltd.

US$400.00

1-99 Pieces

US$300.00

100+ Pieces

Sample price:US$450.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online

Warranty

1yeai

Model NO.

U29

Certification

CE, ISO 9001:2000

Standard

Surface Treatment

Without Processing

Manufacturing Process

Forging

Material

Stainless Steel

Size

29u

Support Arch Material

Q275b/ 20mnk

Theoretical Weight

29.00

Cross-Sectional Area (Cm2)

Height

124

Thickness

Width

150.5

Leg Thickness

7.2

Transport Package

Wooden

Specification

stainless steel

Trademark

ZHONGMEI

Origin

Shandong China

Key features

High Pressure Resistance: Designed to withstand high pressure with long-term support capabilities in mining tunnels.

Easy Installation: Features easy installation and is not prone to deformation for efficient construction.

Versatile Applications: Suitable for mine tunnels, secondary support, mountain tunnels, and roadway intersections.

Retractable Design Option: Optional retractable U-shaped support solves tunneling support problems effectively.

Multiple Size Options: Available in U25, U29, U36, and U40 specifications to meet various engineering needs.

CE and ISO Certified: Product meets CE and ISO 9001:2000 standards for quality and safety assurance.

Customization Available: Offers full customization, minor customization, and flexible options from samples or designs.

High Reuse Rate: Scalable and reliable carrying capacity reduces prop usage and offers environmental benefits.

Company profile

Overseas ServicesQuality Assurance100% Finished Products InspectionProduct Certification

Shandong China Coal Construction Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Qingdao Port, Tianjin Port, Shanghai PortAverage Response Time: ≤2.39h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a professional technical supplier engaged in construction, mining, hydraulic, material-handling, and rail-transit machinery and components. It demonstrates R&D capabilities, including 3D software design and an available SDK, with six years of R&D engineer experience and broad customization options. Manufacturing evidence includes two production lines, 31–40 quality-control staff, continuous quantity reconciliation, and stated annual output information; typical fulfillment time is one month in both peak and off-peak seasons. Quality and service processes include documented inspection instructions, quality assurance, material traceability, complaint handling, and corrective/preventive action procedures. Export activity is documented, with six years of export experience and markets in South and North America. No explicit certification holdings or customer case records are provided. Financial records are referenced for 2021–2023, but the supplied...

Supplier typeThe supplier is classified as a combined company and its stated business scope covers construction machinery, geological exploration equipment, rail-transit engineering machinery, mining machinery, hydraulic machinery, material-handling equipment, and related sales and research activities. This supports classification as a diversified machinery and professional technical supplier.

After-Sales capabilityThe supplier has clear procedures and followed records for handling customer complaints and for corrective and preventive actions. It also has documented finished-product inspection instructions that are uniformly followed, indicating structured service and quality follow-up processes.

R&D capabilityThe supplier is identified as a professional technical supplier, provides 3D software design services, has an available SDK, and reports six years of total R&D engineer experience. These are explicit indicators of software-related and engineering development capability.

Production capacityThe supplier operates two production lines, employs 31–40 quality-control staff, performs continuous quantity reconciliation for each batch or production volume, and reports one-month order fulfillment in both peak and off-peak periods. Its manufacturing and inspection processes are documented, although the available data does not fully quantify capacity beyond the stated output range.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The repeated listing across the design-service records supports broad customization coverage.