What is the lead time for production?

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

Is OEM or ODM service available?

Yes, OEM and ODM services are available with support from 6 R&D engineers.

What is the after-sales service provided?

We provide online after-sales service support.

Durable U Steel Arch Support for Mining Tunnel Coal

Name: Durable U Steel Arch Support for Mining Tunnel Coal
Brand: Shandong China Coal Construction Machinery Co., Ltd.
SKU: 2048328422

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: Withstands high pressure and supports for long time in mining tunnels.

Adaptable to Soft Rock: Scalable and reliable carrying capacity adapts to load and deformation of soft rock.

Easy Installation: Easy to install and resistant to deformation for efficient construction.

Reusable Design: High reuse rate reduces prop usage and offers obvious environmental benefits.

CE & ISO Certified: Meets CE and ISO 9001:2000 standards for quality assurance.

Customizable Options: Supports full customization, minor customization, and flexible design options.

1-Year Warranty: Comes with a 1-year warranty and online after-sales service support.

OEM/ODM Service: Manufacturer offers OEM and ODM services with 6 R&D engineers.

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: ≤2.85h

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.