If I stick two neodymium magnets together, does their strength double?

No. It will a little smaller. For example, two magnets rated with a individual pulling force of 50 lbs will have a combined pulling force of 90 lbs when stick together.

D10 D12 D15 D18 D20 Rare Earth Neodymium Disc Magnet for Boxes

Name: D10 D12 D15 D18 D20 Rare Earth Neodymium Disc Magnet for Boxes
Brand: Hangzhou Yangyi Magnetics Co., Ltd.
SKU: 1952857795

Zhejiang, ChinaHangzhou Yangyi Magnetics Co., Ltd.

US$0.10-2.00

100 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Application

Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Motor Magnet

Shape

Disc

Model NO.

Disc magnet

Coating

Nickel

Grade

N30M-50M

MOQ

Tolerance

+/-0.05

Certification

SGS

Color

Bright Silver

Transport Package

Standard Export Package

Specification

A variety of sizes, depending on customer needs.

Trademark

YYMAG

Origin

China

HS Code

8505111000

Production Capacity

5000000/Pieces/Month

Key features

High Performance Grades: Available in N35 to N52 and M, H, SH, UH, EH series for diverse temperature needs.

Diverse Coating Options: Offers Nickel, Ni-Cu-Ni, Zinc, Gold, Silver, Epoxy, and Parylene for corrosion protection.

Precise Tolerance: Manufacturing tolerance is strictly controlled at +/-0.05mm for high accuracy.

Wide Application Range: Suitable for electronics, speakers, motors, medical devices, and aviation instruments.

Fast Production: Regular orders ship in 7-10 days; urgent orders can be produced in 3 working days.

Quality Guarantee: 100% quality assurance with full responsibility for refunds or replacements on defects.

Professional Expertise: Over 10 years of experience with professional factory support and technical assistance.

Global Certification: Certified by ISO9001:2016, SGS, and RoHS for international market compliance.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceMulti-language Pioneer

Hangzhou Yangyi Magnetics Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2007-06-06Nearest Port: Shanghai, Ningbo, HangzhouAverage Response Time: ≤5.24hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW

AI-Powered supplier vetting

SummaryHangzhou YangYi Magnetics Co., Ltd. is identified as a China-based private manufacturer of permanent magnets, with operations in Zhejiang and a stated Hangzhou address. The supplier reports ISO9001:2008, SGS, and RoHS certifications, but certification validity and scope are not independently evidenced. It offers broad customization and ODM services, while no new products were reported during the past year and no SDK is available. Production indicators include more than 10 production lines, 6–10 quality-control staff, and stated output across several magnet categories. Service controls are weakly documented: no written corrective-action, complaint-handling, or supplier-service assessment procedures or records were provided. No overseas showroom, agent, branch, or offline trade-show participation is reported. Financial credibility cannot be fully assessed from the provided information because the financial-year fields contain years rather than financial statements or performance results.

CertificationsThe company description explicitly lists ISO9001:2008, SGS, and RoHS certifications. The provided information does not include certificate numbers, validity dates, issuing details, or applicable scopes, so the certifications are reported but not fully verifiable from the slices.

After-Sales capabilityThe supplier has no written corrective and preventive action procedures or records, no written customer-complaint handling procedures or records, and no written or followed supplier-service assessment procedures. It also reports no overseas showroom, agent, branch, or offline trade-show participation, although Ningbo and Shanghai ports are identified as nearby service points.

Production capacityThe supplier is identified as a permanent-magnet manufacturer with more than 10 production lines, 6–10 quality-control staff, and stated output for magnetic name badges, neodymium, SmCo, Alnico, and magnetic assemblies. The production information indicates broad product coverage and substantial operating capacity, although no independent verification or detailed capacity methodology is provided.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, flexible customization, customization from designs, and minor customization, as well as ODM services. This is direct evidence of broad customization coverage.

Product Q&A

Q:Are you a magnet factory or trading company?

We are one of the leading magnet manufactures in Dongguan, welcome to visit our factory.

Q:Does the magnet quality guaranteed?

Yes, we can guarentee the magnets we ship to you is of 100% with good quality as you order, if there is any product quality problem or products broken during shipping, we will bear 100% responsibility for you, you can ask for for related refund or replacement.

Q:How long does it take for production and shipping duration?

For regular magnet orders, it would take 7-10working days or so, for customized items, it would take 25-35working days or so. Besides, the fastest production time is 3working days for the urgent orders.

Q:How does the magnet grade and magnet dimensions(L x W x H) affects the Gauss Level of magnets?

Same magnet size, higher grade with higher gauss; Same magnet grade, same surface area, the thicker, the higher gauss; Same magnet grade, same thickness, larger surface area with lower gauss;

Q:What does pulling force mean?

Pulling force is a measure of magnetic strength. It is the amount of force required to remove a magnet parallel to a solid magnetic surface, such as a steel plate.