What is the service substance used in the prop?

The prop uses Coal 10 (M10) Emulsifier or MDT10 emulsifier at 1-2% concentration.

What is the maximum height of the DW35 model?

The DW35 model has a maximum height of 3500 mm.

What after-sales services are provided?

We provide online video services for after-sales support.

Mining Tools DN315-160/90 Cheap Acrow Props Hydraulic Roof Supports

Name: Mining Tools DN315-160/90 Cheap Acrow Props Hydraulic Roof Supports
Brand: Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
SKU: 797317832

Shandong, ChinaShandong China Coal Industrial & Mining Supplies Group Co., Ltd.

US$480.00

1-14 Pieces

US$155.00

15+ Pieces

Product profile

Customization

Available

After-sales Service

Online Video Services

Warranty

Model NO.

Certification

Standard

Surface Treatment

Single Hydraulic Prop

Manufacturing Process

Single Hydraulic Prop

Material

Single Hydraulic Prop

Model

DN31.5

Max Height (mm)

3150

Min Height (mm)

2450

Working Resistance (Kn)

160

Working Pressure (MPa)

25.1

Weight (Kg)

Transport Package

Export Standrad Package

Specification

standard

Trademark

chinacoal

Origin

Jining City, Shandong Province, China

Production Capacity

1000 Sets Per Month

Key features

High Load Capacity: Supports up to 50 tons with working resistance up to 300 kN for safe mining operations.

Adjustable Height Range: Available heights from 600mm to 3500mm with stroke up to 800mm for flexible installation.

CE Certified Quality: Manufactured to GB standards with CE certification ensuring safety and reliability.

Online Video Support: Comprehensive after-sales service including online video guidance for operation and maintenance.

Constant Working Resistance: Maintains stable pressure with high recovery rate compared to traditional wooden pillars.

Versatile Application: Suitable for coal seams with dip less than 25 degrees, stope roofs, and mechanized faces.

Fast Response Time: Peak season lead time within 15 workdays for urgent project requirements.

Durable Construction: Composed of living cylinder, fuel tanks, three valves, and reset spring for long service life.

Company profile

Self-brandedOverseas Services100% Finished Products InspectionProduct Certification

Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2008-08-01Nearest Port: Qingdao, Ningbo,Shanghai,ShenzhenAverage Response Time: ≤0.68hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryThe supplier is a combined company with manufacturing, export, service, quality-control, R&D, and sustainable-development capabilities. It offers broad customization, reports new-product development in the past year, and provides ODM services. Manufacturing evidence includes multiple processing and finishing machines, inventory capability, valid contracts with associated subcontractors, and documented inspection and corrective-action procedures. Overseas service is available in Denmark, Colombia, India, and Georgia, covering installation, debugging, maintenance, repair, and training, but the supplier has no overseas warehouse, showroom, agent, or branch. CE and CCC product certifications are reported. Financial records are identified for 2021–2023, but their results are not provided. The supplier has OEM experience with well-known brands but no Fortune 500 collaboration reported.

Supplier typeThe supplier is identified as a combined company and reports manufacturing equipment, inventory capability, and valid contracts with each associated subcontractor. This supports a combined manufacturing and service-oriented supplier profile, although the exact ownership or operating structure is not further detailed.

CertificationsThe supplier reports CE and CCC product compliance certifications and an unspecified management-system certification described as “Others.” Product certification coverage is explicitly stated, but the specific management certification is not identified.

After-Sales capabilityThe supplier provides overseas debugging, maintenance, repair, training, and equipment installation in Denmark, Colombia, India, and Georgia. It has no overseas warehouse, showroom, agent, or branch, which limits local infrastructure but does not negate the stated service offering.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has an available SDK. These statements directly support active R&D and product-development capability.

Production capacityProduction-related evidence includes cutting, painting, sawing, and shearing equipment; inventory capability; valid manufacturing contracts with associated subcontractors; and a one-month average lead time in both off-season and peak season. Documented finished-product inspection, supplier-service procedures, and corrective/preventive-action records further support operational control.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad service range is reported in both R&D and design-capability information, providing clear evidence of extensive customization coverage.

Client casesThe supplier reports OEM service for well-known brands and participation in the Changsha International Construction Machinery Exhibition. It reports no collaboration with Fortune 500 companies; therefore, some customer and market-exposure evidence exists, but detailed customer names, projects, or verified case outcomes are unavailable.