What are the lead times for production?

Peak season lead time is one month, while off-season lead time is 1-3 months.

What payment terms are accepted?

Accepted terms include LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

What is the net weight of the DW31.5 prop?

The net weight of the DW31.5 prop is 76.4kg.

Adjustable Steel Mining Roof Props Dw31.5 Outer Injection Single Mining Hydraulic Cylinder Support Prop

Name: Adjustable Steel Mining Roof Props Dw31.5 Outer Injection Single Mining Hydraulic Cylinder Support Prop
Brand: Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
SKU: 2114839364

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

US$90.00-149.00

1 Piece

Product profile

Customization

Available

Model

Dw31.5

Max Height

3150mm

Model NO.

DW31.5

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

Trademark

China Coal

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 coal seams with dip less than 25 degrees.

High Recovery Rate: Offers significantly higher recovery compared to traditional wooden pillars.

Optimized Dimensions: Max height 3150mm, Min height 2350mm, and working stroke of 800mm for DW31.5 model.

Strong Load Capacity: Rated resistance of 25.5MPa ensures robust support for stope roofs.

Versatile Support Use: Suitable for mechanized coal face ends or temporary support in inclined stope roofs.

Standardized Specifications: Net weight 76.4kg with 100mm oil cylinder diameter for consistent performance.

Company profile

Self-brandedOverseas Services100% Finished Products InspectionProduct Certification

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

Shandong, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2010-07-01Nearest Port: qingdao/ningbo/dalianAverage Response Time: ≤3.86hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryChina Coal is identified as a combined company with manufacturing, export, service, quality-control, and R&D capabilities. It reports ISO9001:2008, ANAB, UKAS, and SGS-related certifications or credentials, alongside quality-related national and industry honors. The supplier offers customization, ODM, OEM for popular brands, SDK availability, and documented quality and supplier-service procedures. It has 12 quality inspectors, in-stock capability, valid contracts with associated subcontractors, and approximately one-month lead times in both peak and off-season periods. Overseas services include debugging, maintenance, repair, training, and installation in Denmark, Colombia, India, and Georgia. However, it reports no overseas warehouse, showroom, agent, or branch, and the provided evidence does not establish specific customer names or independently verify financial strength.

Supplier typeThe supplier is explicitly classified as a combined company and presents offerings spanning export trade, manufacturing, service, quality control, R&D, and sustainable development. It is also identified as a non-offshore company name, indicating a directly identified operating supplier rather than an offshore entity.

CertificationsThe company description states that China Coal has passed ISO9001:2008, United States ANAB management-system, and United Kingdom UKAS management-system certifications. It also cites SGS certification and several national quality, reputation, conformity-assessment, and credit honors; the slices do not provide certificate numbers, validity dates, or scope details.

After-Sales capabilityThe supplier provides overseas debugging, maintenance, repair, training, and equipment installation in Denmark, Colombia, India, and Georgia, and has participated in an offline trade show. It reports no overseas warehouse, showroom, agent, or branch, so service coverage exists but lacks those overseas facilities and channels.

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, although no R&D staffing, patents, or quantified development results are supplied.

Production capacityProduction-related evidence includes cutting, painting, sawing, and shearing equipment; valid contracts with each associated subcontractor; in-stock capability; 78 qualified service-capability suppliers; and approximately one-month lead times in both off-season and peak season. The supplier also has documented supplier-service procedures and corrective/preventive-action records.

Customization capabilityBoth R&D and design-capability records explicitly list customization from samples, customization from designs, full customization, minor customization, and flexible customization. The supplier therefore demonstrates a broad stated customization range across design and R&D functions.