What is the average lead time for delivery?

Peak season lead time is within 15 workdays, while off-season lead time is 6-12 months.

Does the manufacturer provide after-sales service?

Yes, online after-sales service is provided for this product.

Dw31.5 Adjustable Outer Injection Single Support Props Mining Suspension Hydraulic Props

Name: Dw31.5 Adjustable Outer Injection Single Support Props Mining Suspension Hydraulic Props
Brand: Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
SKU: 797571242

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

US$200.00

1-9 Pieces

US$129.00

10+ Pieces

Product profile

Customization

Available

After-sales Service

Online

Warranty

1.5

Model NO.

DW31.5

Model

Dw31.5

Max Height

3150mm

Min Height

2350mm

Working Stroke

800mm

Net Weight

76.4kg

Rated Resistance

25.5MPa

Transport Package

Carton Box, Plastic Bags, Wooden Cases or as Your

Specification

standard

Trademark

zhongmei

Origin

China

Production Capacity

1000 Boxes Per Month

Key features

High Safety and Reliability: Provides constant working resistance and high setting load for safe mining operations.

Flexible Application: Can be used alone or with metal hinged roof beams in seams with dip less than 25 degrees.

Efficient Support Performance: Features high recovery rate and flexible usage compared to traditional wooden pillars.

Online After-Sales Service: Comprehensive online support ensures timely assistance for product maintenance and issues.

Standardized Specifications: DW31.5 model offers 3150mm max height, 2350mm min height, and 800mm working stroke.

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: ≤1.46hTerms 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.