What materials are used for the dumbbell pins?

Materials include 5#, 35CrMo, 42CrMo, and 40mn2, forged from premium alloy steel for high performance.

What is the warranty period for the product?

We provide a 1-year warranty for the dumbbell pins.

What is the minimum order quantity?

The minimum order quantity is 1 set.

Forged Dumbbell Pins Tailored to Fit Various Models of Mining Scraper Conveyors

Name: Forged Dumbbell Pins Tailored to Fit Various Models of Mining Scraper Conveyors
Brand: Jinan Fengqiang Mechanical Parts Co., Ltd.
SKU: 2144007792

Shandong, ChinaJinan Fengqiang Mechanical Parts Co., Ltd.

US$10.00-80.00

1 Document

Product profile

After-sales Service

Online Technical Support

Warranty

1year

Certification

ISO 9001:2008

Model NO.

ZX-01

Material

5#, 35CrMo, 42CrMo, and 40mn2

OEM

Customization

Weight

7.5kg

Overall Length

400mm

Inside Width

200mm

Transport Package

Wooden Box/Forging / Casting

Specification

400*200mm

Trademark

xinfengqiang

Origin

Shandong Jinanzhangqiu

HS Code

8431499900

Production Capacity

800

Key features

High Mechanical Strength: Forged from premium alloy steel with quenching & tempering for outstanding tensile strength and fatigue resistance.

Enhanced Wear Resistance: Red epoxy coating provides robust barrier against abrasion, moisture, dust, and chemical corrosion.

Optimized Stress Distribution: Unique dumbbell geometry evenly disperses stress, preventing localized concentration and premature deformation.

Reliable Connection: Ensures stable, anti-loosening link between scraper chain segments, maintaining alignment under high loads.

Wide Application Scope: Suitable for underground coal mining, quarrying, tunnel construction, and heavy industrial conveying systems.

Customization Available: Supports OEM, custom weight, overall length, and inside width based on customer requirements.

Quality Certified: Passed ISO9001-2000 GB quality management system certification with 60 safety certificates for mining products.

Professional Manufacturer: Established in 2003 with 25-year history, integrating design, development, production, and sales.

Company profile

Jinan Fengqiang Mechanical Parts Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.01h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a mining-equipment and component manufacturer providing customized forging and non-standard mechanical products. It reports extensive production workshops, sample/design/full customization, raw-material traceability, and quality assurance, with more than 50 mining product safety mark certifications. Claimed service strengths include 24-hour, 365-day sales and after-sales support, inventory capability, and participation in China Coal & Mining Expo 2025. However, it has no overseas agents, branches, warehouses, or showrooms; no valid manufacturing-capacity contract with related subcontractors; and no documented complaint-handling, corrective-action, or supplier-service assessment procedures. ISO 9001:2015 certification is reported, but no environmental impact assessment report is available. Financial credibility cannot be confirmed because the provided financial figures are all zero. Innovation evidence is limited to a dedicated R&D center and one internationally recognized design award,...

Supplier typeThe supplier describes itself as a comprehensive enterprise integrating mining-equipment and component production and sales, mainly providing customized forging and large non-standard mechanical products for mining, petroleum, and chemical machinery. This supports classification as a manufacturer and supplier of industrial machinery components.

CertificationsThe supplier reports more than 50 mining product safety mark certifications and an ISO 9001:2015 certificate. These are explicit certification claims relevant to mining-product safety and quality management, although no individual certificate details or validity periods are provided.

Financial creditThe provided financial information identifies financial-capacity periods for 2024 and 2025, but reported operating revenue, costs, profits, margins, and current ratios are all zero across the stated periods. These figures do not provide positive evidence of financial strength or reliable operating performance.

R&D capabilityThe supplier reports a dedicated R&D center and one internationally recognized design award, demonstrating some innovation-related capability. It also states that no SDK is available, and the slices provide no further evidence of R&D output, patents, or product-development performance.

Production capacityProduction resources include mechanical processing, riveting and welding, assembly, casting, mold, remanufacturing, tube cutting, CNC, lathe, shot blasting, and painting facilities. The supplier also reports inventory capability, but no valid manufacturing-capacity contract exists with related subcontractors, creating a documented capacity-governance weakness.

Customization capabilityThe supplier explicitly offers OEM services and high-quality customized forging, while its design capability covers customization from samples, designs, full customization, and minor customization. This directly supports a broad custom-manufacturing capability.