How many times is the product checked before delivery?

All products undergo 3 quality control checks before delivery.

What is the lead time for orders?

Peak season lead time is one month, while off-season is within 15 workdays.

What payment terms are accepted?

Accepted terms include LC, T/T, D/P, PayPal, Western Union, and others.

CE Certification DN20 DN24 Acrow Props Coal Mining Hydraulic Props

Name: CE Certification DN20 DN24 Acrow Props Coal Mining Hydraulic Props
Brand: Rizhao Junrui Trading Co., Ltd
SKU: 2159354925

Shandong, ChinaRizhao Junrui Trading Co., Ltd

US$200.00

1 Piece

Product profile

Customization

Available

Warranty

12 Months

Certification

CE, ISO 9001:2000

Model NO.

DN20

Surface Treatment

Galvanized

Material

Alloy Steel

Max Height

3500 mm

Min Height

2700mm

Working Stroke

800 mm

Transport Package

Carton Box, Plastic Bags, Wooden Cases

Specification

Trademark

Origin

China

Production Capacity

1000 Boxes Per Month

Key features

CE and ISO Certification: Certified with CE and ISO 9001:2000 standards for safety and quality assurance.

Arc Weld Free Design: Eliminates weld fracture risks to prevent roof caving accidents and ensure structural reliability.

Seal-Compensation Technology: External sealed points allow direct visual leak detection and timely maintenance.

Three-Use Valve Safety: Valve body installation reduces operator danger during thick seam mining operations.

High Stability Coefficient: Achieves a stability coefficient of 5 and safety coefficient of 3 for superior support.

Reduced Spare Parts Demand: Low damage rate significantly lowers reserve quantities and maintenance costs.

Water as Working Medium: Can replace emulsion with water, offering cost-saving and environmental benefits.

Rigorous Quality Control: All products undergo 3 QC checks before delivery by skilled engineers.

Company profile

Rizhao Junrui Trading Co., Ltd

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2024-02-19Nearest Port: Qingdao, ShanghaiAverage Response Time: ≤5.13hTerms 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.