What is the working principle of this hydraulic prop?

It uses high-pressure liquid injection to force the live cylinder to rise, maintaining constant pressure in the cavity after locking.

What is the minimum coal seam dip angle for use?

The prop can be used in coal seams with a dip angle of less than 25 degrees.

Dw Outer Injection Coal Mining Hydraulic Acrow Prop Hydraulic Prop

Name: Dw Outer Injection Coal Mining Hydraulic Acrow Prop Hydraulic Prop
Brand: Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
SKU: 743494872

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

US$126.00

1 Piece

Product profile

Customization

Available

After-sales Service

Online

Warranty

1 Year

Model NO.

Model

Dw35 Single Hydraulic Prop

Max Height

3500 mm Steel Supporter Shoring

Min Height

2700mm Adjustable Shoring Prop

Working Stroke

800 mm Hydraulic Prop

Net Weight

82.8 Kg

Rated Resistance

19.1 MPa

Transport Package

Carton Box, Plastic Bags, Wooden Cases or as Your

Specification

standard

Trademark

China Coal

Origin

China

HS Code

9031809090

Production Capacity

1000 Boxes Per Month

Key features

High Load Capacity: Supports up to 50 tons with rated resistance ranging from 150 to 382 kN.

Adjustable Height: Models range from 600mm to 3500mm max height with 145-800mm working stroke.

Safe and Reliable: Constant working resistance and high setting load ensure stable coal mine support.

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

Online After-Sales: Provides online technical support and a 1-year warranty for peace of mind.

Durable Construction: Composed of living cylinder, piston, and three valves for long-term use.

Wide Model Range: Available in 13 models (DW06 to DW35) to fit various mining requirements.

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: ≤2.09hTerms 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.