What materials are used for the dumbbells?

We use solid steel and eco-friendly rubber/PVC materials.

How is quality control handled?

We perform 100% visual inspection on all finished products.

Where do you ship to?

We ship steadily to Europe, America, and Southeast Asia.

Square Cast Iron Dumbbell Anti Roll Easy Grip Solid Dumbbells for Gym

Name: Square Cast Iron Dumbbell Anti Roll Easy Grip Solid Dumbbells for Gym
Brand: Nantong ELF Sports Co., Ltd.
SKU: 2327830065

Jiangsu, ChinaNantong ELF Sports Co., Ltd.

US$16.20

10 Pairs

Product profile

Customization

Available

Type

Dumbbell

Weight Adjustable

Fixed

Spec

Customized

Application

Gymnasium

Material

Silicon,Iron

Color

Custom

Gender

Unisex

Age

Adult

Condition

New

Applicable Scenarios

Fitness

Function

Dumbbell/Push-up

Product Name

Fitness Equipment Accessories

Specifications

Please Contact Customer Service

Supply Type

Factory Direct Supply

Functions

for Training Biceps, Triceps, Back, Shoulders, Abd

Transport Package

Brown Carton+Plywood Box

Trademark

customizable

Origin

Nantong, China

HS Code

9506911900

Key features

Ergonomic Knurled Grip: Precision-Engineered Knurling

Silent & Protective Design:Effectively Minimizes Noise

Safety naterial:Superior Craftsmanship & Materials

Company profile

Nantong ELF Sports Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Nantong Port, Shanghai Port, Ningbo Port, Qingdao PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a professional technical supplier with 3D software design, R&D, ODM, and multiple customization options. Its manufacturing information lists six production lines and a broad range of machinery, while quality assurance is reported. However, finished products are checked by packing staff, and there is no continuous quantity reconciliation for each batch. Financial records are identified for 2022–2024, but no financial results are provided. The supplier has two experienced export-trade staff and presence in one main export market. It lacks overseas warehouses, showrooms, agents or branches, and has not participated in offline trade shows. No Fortune 500 collaboration or popular-brand OEM service is reported. Certification and customer-case evidence is not provided.

Supplier typeThe supplier is described as a professional technical supplier and a limited company offering fitness equipment, sports goods, and related accessories. However, another record classifies the company as a trading company, while its stated business scope also includes sales and import/export activities, indicating a mixed supplier profile rather than a clearly established manufacturer-only profile.

R&D capabilityThe supplier reports professional technical R&D capability, 3D software design services, new products within the past year, and ODM services. It does not provide an SDK and does not offer OEM services for popular brands, but the documented R&D and ODM activities support innovation capability.

Production capacityThe supplier reports six production lines and a broad equipment base including CNC, injection, laser marking, milling, pressing, punching, welding, and related machines. However, it does not continuously reconcile quantities for every batch, and finished products are checked by packing staff, so production capacity is evidenced but process-control depth is less clear.

Customization capabilityBoth records explicitly list customization from samples, designs, full customization, minor customization, and flexible customization. The supplier therefore demonstrates a broad stated customization scope, supported by its 3D design service capability.