What materials are used for the dumbbell pins?

The pins are forged from premium alloy steels including 5#, 35CrMo, 42CrMo, and 40mn2.

What is the warranty period for the product?

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

What certifications does the product have?

The product is certified with CE and ISO 9001:2008 standards.

Ultra-Strong Dumbbell Pins for Mining Equipment Durability and Reliability

Name: Ultra-Strong Dumbbell Pins for Mining Equipment Durability and Reliability
Brand: Jinan Fengqiang Mechanical Parts Co., Ltd.
SKU: 2187055492

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

CE, ISO 9001:2008

Model NO.

Customization

Surface Treatment

Spray

Manufacturing Process

Forging / Casting

Material

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

OEM

Customization

Overall Length

466mm

Inside Width

221mm

Weight

10kg

Transport Package

Wooden Box/Steel Frame

Specification

466*221mm

Trademark

xinfengqiang

Origin

Shandong Jinanzhangqiu

HS Code

8431499900

Production Capacity

800

Key features

Premium Alloy Steel Material: Forged from 5#, 35CrMo, 42CrMo, and 40mn2 for superior tensile strength and impact toughness.

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

Optimized Stress Distribution: Unique dumbbell geometry evenly disperses stress, preventing deformation or fracture under high loads.

Reliable Connection Performance: Ensures stable, anti-loosening links for scraper chains, maintaining alignment and traction transmission.

Customization Options: Supports OEM customization for overall length, inside width, and weight based on customer requirements.

Certified Quality Assurance: Products certified with CE and ISO 9001:2008, backed by 25 years of manufacturing experience.

Versatile Industrial Application: Ideal for underground coal mining, tunnel construction, and heavy industrial conveying systems.

Lifetime Technical Support: Provides online technical support to ensure long-term reliability and maintenance assistance.

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: ≤10.01h 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.