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Column Lifting Speed Adjustable Mining Props Outer Injection Single Hydraulic Prop
US$200.00
1 Piece
Product profile
Customization
AvailableWarranty
12 MonthsCertification
CE, ISO 9001:2000Model NO.
DWSurface Treatment
GalvanizedMaterial
Alloy SteelMax Height
3500 mmMin Height
2700mmWorking Stroke
800 mmTransport Package
Carton Box, Plastic Bags, Wooden CasesSpecification
80Trademark
JROrigin
ChinaProduction Capacity
1000 Boxes Per MonthKey features
Customizable Dimensions: Max height 3500 mm, min height 2700 mm, working stroke 800 mm.
Arc Weld Free Design: Avoids weld fracture risks and leakage, ensuring higher structural reliability.
Seal Compensation Technology: External sealed points allow direct visual inspection and timely maintenance.
Enhanced Safety Stability: Suspension plugging principle improves stability coefficient to 5 and safety to 3.
Reduced Spare Parts Demand: Low damage rate reduces reserve quantity and maintenance costs significantly.
Water as Working Medium: Can replace emulsion with water, offering flexible operation options.
Rigorous Quality Control: All products undergo three QC checks before delivery by skilled engineers.
CE and ISO Certified: Certified with CE and ISO 9001:2000 standards for global compliance.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2024-02-19Nearest Port: Qingdao, ShanghaiAverage Response Time: ≤4.73hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA
AI-Powered supplier vetting
SummaryRizhao Junrui Trading Co., Ltd is identified as both a trading company and manufacturer/factory in China, offering hydraulic cylinders, pumps, power units, and related components. The supplier reports multiple dedicated hydraulic, tank, pipe, cold-processing, and stamping production lines, plus more than 600 employees in one company description; however, another slice states only three total employees, creating a material inconsistency. It provides OEM and extensive customization services and generates 71%–90% of sales from exports, with six years of export experience and self-operated import/export rights. Innovation evidence is limited: no SDK is available, only one R&D engineer is reported, and R&D audit documentation is unavailable. No overseas showrooms, agents, branches, or offline trade-show participation are reported. Financial data only identifies years, not financial performance, so credibility cannot be assessed. No customer cases or certifications are provided.
Supplier typeThe supplier is described as both a trading company and manufacturer/factory, while its company type is also listed as a trading company. Its stated business scope covers hydraulic cylinders, mine columns, jacks, hydraulic components, systems, pump stations, and related metal and plastic products. This indicates a mixed trading-and-manufacturing profile, although the records are not fully consistent.
R&D capabilityThe supplier describes hydraulic R&D and an engineering team providing technical support, but reports no available SDK, only one R&D engineer, and no R&D audit documentation covering design inputs, outputs, reviews, verification, or validation. These records show some technical capability but do not establish strong innovation systems.
Production capacityThe supplier reports four high-pressure hydraulic-cylinder lines, two coal-machine cylinder lines, one telescopic-cylinder line, one high-pressure oil-pipe line, two construction-machinery tank lines, four agricultural-machinery tank cold-processing lines, and an advanced stamping workshop. It also states that it has multiple hydraulic and power-unit workshops, but the reported employee count conflicts sharply between more than 600 and three; production scale is therefore supported by claimed facilities but not fully consistent across records.
Customization capabilityThe supplier explicitly provides OEM services for well-known brands and supports customization from samples, designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization capability.
Product Q&A
Q:What are the customizable dimensions?
A:
The prop features customizable dimensions with a max height of 3500 mm, min height of 2700 mm, and a working stroke of 800 mm.
Q:How does the design prevent leakage?
A:
It avoids arc welding to prevent weld fracture and uses external sealed points with seal-compensation technology for easy visual inspection.
Q:Can this prop be used in thick seams?
A:
Yes, it is designed for both thin and thick coal seams, avoiding the operational dangers associated with three-use valves in thick seams.
Q:What is the warranty period?
A:
The product comes with a 12-month warranty coverage.
Q:What certifications does the product have?
A:
The product is certified with CE and ISO 9001:2000 standards.
Send Inquiry
*To:
Rizhao Junrui Trading Co., Ltd
Rizhao Junrui Trading Co., Ltd*Content:
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