What is the minimum order quantity (MOQ)?

The MOQ is 10 pieces per model per size.

What are the delivery times for different order sizes?

Sample orders (1pc) take 3-5 working days. Trial orders (50-300pcs) take 15-18 working days. Mass orders (above 1000pcs) take 25-28 working days.

Stylish Black Tungsten Carbide Ring for Modern Men

Name: Stylish Black Tungsten Carbide Ring for Modern Men
Brand: Shenzhen Jinshengrun Technology Co., Ltd.
SKU: 2133875212

Guangdong, ChinaShenzhen Jinshengrun Technology Co., Ltd.

US$5.30

50-99 Pieces

US$4.90

100+ Pieces

Product specifications

Tungsten steel ring

Sample price:US$30.00/piece.Request sample

Product profile

Material

Tungsten

Type

Inlaid Ring

Gender

Unisex

Fabrication Processing

Polishing

Usage

Wedding, Decoration, Gift

Style

Fashion

Color

Gold

Size

11#

Material Feature

Tungsten Carbide (90%+ Purity, Scratch-Resistant)

Skin-Friendly Property

Nickel-Free, Hypoallergenic for Sensitive Skin

Surface Treatment

Mirror Polishing (Long-Lasting Shine, Anti-Tarnish

Wear Scenario

Daily Wear, Casual, Business, Gift-Giving

Customization Service

Engraving, Size Adjustment (5-13 Us Sizes)

Transport Package

PP Bag

Specification

15g

Trademark

Jin sheng run

Origin

China

HS Code

7101101900

Production Capacity

50000

Key features

Scratch-Resistant Material: Made of 90%+ pure tungsten carbide, ensuring durability and long-lasting shine.

Hypoallergenic Design: Nickel-free and lead-free, safe for sensitive skin and comfortable for daily wear.

Custom Engraving Service: Supports custom logo, engraving, and size adjustments from US 5 to 13.

Modern Aesthetic Design: Features a sleek black band with blue carbon fiber inlay and a woven pattern.

Fast Sample Delivery: Sample orders delivered in 3-5 working days via UPS, DHL, or FedEx.

Professional Manufacturing: Own factory with 15+ years experience and 300,000 billets monthly capacity.

Flexible MOQ: Low minimum order quantity of 10 pieces per model and size for trial orders.

Secure Payment Options: Supports TT, Western Union, PayPal, and Trade Assurance for secure transactions.

Company profile

Shenzhen Jinshengrun Technology Co., Ltd.Guangdong, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤1.61h

AI-Powered supplier vetting

SummaryShenzhen Jinshengrun Technology Co., Ltd. is identified as a China-based manufacturer/factory specializing in stainless steel and tungsten steel jewelry and related accessories. The supplier reports ISO 9001, ISO 20000, and SGS certification, more than ten years of industry experience, patented designs, intelligent production, three production lines, and a stated finished-product pass rate above 99.5%. It offers jewelry, smart-wearable-related products, and customized services including laser engraving, exclusive pattern design, and small-batch production. However, the provided information does not substantiate after-sales performance, customer cases, or financial credibility. The stated R&D-engineer and quality-control staffing levels are both below five, which indicates limited disclosed staffing capacity, while no conclusion is drawn from the omitted or restricted financial figure.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory in China and describes itself as an accessory enterprise integrating R&D, design, precision manufacturing, global sales, and full-chain services. Its listed products include stainless steel and tungsten steel jewelry and related smart-wearable items.

CertificationsThe supplier reports SGS international quality system certification, ISO9001 production management system certification, and ISO 9001 and ISO 20000 management-system certifications. The provided slices therefore give explicit evidence of multiple certifications, although the exact scope and validity details are not supplied.

R&D capabilityThe supplier reports a material-science and senior-design team, more than ten years of sector experience, more than 20 design patents and 8 utility patents, and digitalized production and inspection processes. These specific disclosures support an established innovation capability, although the reported total R&D-engineer experience is below five years in the management-data slice and no broader R&D staffing detail is provided.

Production capacityThe supplier reports three production lines, an intelligent production line with CNC equipment and automated inspection, digital process control, 12 precision-processing steps, seven quality inspections, and a finished-product pass rate above 99.5%. These are explicit indicators of organized production and quality-control capability, though the disclosed quality-control staff count is below five.

Customization capabilityThe supplier explicitly offers laser engraving, exclusive pattern design, personalized solutions for enterprises and individuals, and flexible small-batch production. This directly supports customization capability across both design and production.

Product Q&A

Q:Why choose your company?

We have over 15 years of experience, professional production capacity with our own factory, fast delivery, welcome OEM/ODM, and offer nickel-free, lead-free, cadmium-free products with excellent service.

Q:Can we customize our own logo on the products?

Yes, we can customize buyer logos, sizes, materials, packaging, and provide OEM services.

Q:Can I choose the color as I wish?

The product color matches the pictures shown, but you can also customize the color as required.

Q:What is your sample policy?

For our models, the wholesale price excludes express costs. For your models, both wholesale price and model costs exclude express fees. Sample fees are refundable if your order quantity exceeds 500 pcs.

Q:What are the material features of the ring?

The ring is made of tungsten carbide with 90%+ purity, making it scratch-resistant, hypoallergenic, nickel-free, and suitable for sensitive skin.