What is the size tolerance for the magnets?

The size tolerance for our magnets is +/-0.05mm.

What grades of NdFeB magnets do you supply?

We supply N35-N52 series, as well as high-temperature grades N35M-N50M, N35H-N48H, N35SH-N45SH, N30UH-N40UH, and N30EH-N38EH.

Wholesale Ring Shape Permanent NdFeB Magnet with Black Epoxy Resin Plating

Name: Wholesale Ring Shape Permanent NdFeB Magnet with Black Epoxy Resin Plating
Brand: Ningbo Hui Hesing Advanced Tech Material Co., Ltd.
SKU: 689397302

Zhejiang, ChinaNingbo Hui Hesing Advanced Tech Material Co., Ltd.

US$0.05-1.00

100 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Application

Speaker Magnet, Industrial Magnet

Shape

Ring

Model NO.

HHSMag 0302-18

Coating

Epoxy Resin

Grade

N, M, H, Sh, Eh, Uh Series

Type

Permanent

Composition

NdFeB Magnet

Business Type

Manufacturer/Factory

R&D Capacity

Owned Brand/OEM/ODM

City

Ningbo

Transport Package

Standard Export Carton, Pallet

Specification

Customized

Trademark

HHS MAG

Origin

Ningbo, China

HS Code

85051190

Production Capacity

500ton Per Month

Key features

OEM/ODM Customization: Supports OEM and ODM services with owned brand capabilities for tailored magnetic solutions.

Wide Shape Selection: Available in Disc, Ring, Block, Cylinder, Ball, Bar, Arc, and Irregular shapes.

Multiple Coating Options: Offers Nickel, Zn, Gold, Silver, Epoxy, PTFE, and other protective coatings.

High Grade Range: Provides N35-N52 series and high-temperature grades M, H, SH, EH, Uh.

Fast Delivery: Standard delivery time is 20 days after order confirmation.

ISO 9001 Certified: Manufactured in an ISO 9001:2000-certified facility ensuring quality control.

Large Production Capacity: Annual output of 1,000 tons DfES magnets, 8,000 tons ferrite, and 10M+ assemblies.

Competitive Pricing: Owns raw material factories and is near ports, ensuring cost-effective pricing.

Company profile

Ningbo Hui Hesing Advanced Tech Material Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2014-06-10Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤1.95hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, Others

AI-Powered supplier vetting

SummaryNingbo Hui Hesing Advanced Tech Material Co., Ltd. is identified as a Chinese manufacturer/factory specializing in permanent magnetic products, including neodymium, ferrite, ceramic, flexible, and other magnet types. The supplier reports more than 18 years of permanent-magnet manufacturing experience, ISO 9000 certification, an R&D team, quality-control staff, eight production lines, and export coverage across multiple global regions. It describes after-sales support for logistics, documentation, customs, inspections, and product-quality assistance for 60 days after delivery. Production lead time is stated as one month in the off-peak season, while peak-season fulfillment is stated as 6–12 months, indicating substantially longer peak capacity timing. Evidence is insufficient to assess customization capability and customer cases. Financial credibility cannot be assessed because the available registered-capital information is excluded from consideration and no other financial evidence is provided.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and as a professional manufacturer of permanent magnetic products. Its stated product scope includes permanent, neodymium, ferrite, ceramic, flexible, NdFeB, rare-earth, and isotropic magnets.

CertificationsThe supplier reports ISO 9000 certification and specifically describes having achieved ISO 9001:2000 quality-management-system certification, which it says it follows to help guarantee product quality.

After-Sales capabilityThe supplier explicitly offers assistance with shipping, insurance, customs clearance, export documents, and quality inspections. It also states that product quality is guaranteed for 60 days after delivery, providing direct evidence of structured after-sales support.

R&D capabilityThe supplier reports awards for advanced materials and technology, a first-class R&D team, advanced equipment, sophisticated inspection instruments, and 6–10 years of total R&D-engineer experience. These statements support an innovation-related capability, although no specific technology, patent, or product-development result is provided.

Production capacityThe supplier states that it has manufactured permanent magnets for over 18 years, operates eight production lines, and has 6–10 quality-control staff. It reports a one-month off-peak lead time, but the stated 6–12-month peak-season fulfillment time indicates a significant peak-season scheduling constraint.