Can you provide the free samples?

Yes, we would like to offer samples or similar ones for free, but the courier fee be collected.

OEM 95%99% Al2O3 Industrial High Precision Insulation Custom Size Alumina Ceramic Ring

Name: OEM 95%99% Al2O3 Industrial High Precision Insulation Custom Size Alumina Ceramic Ring
Brand: Herun Ceramics Co., Ltd.
SKU: 1956429001

Zhejiang, ChinaHerun Ceramics Co., Ltd.

US$1.00

100-999 Pieces

US$0.80

1,000-9,999 Pieces

US$0.50

10,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Standard

JIS, GB

Application

Loader, Construction Machinery, Metallurgical Machinery, Cement Plant, Thermal Power Plant, Coal Yard

Material

Aluminum

Type

Wear Resistant Casting

Forming Methods

Tape Casting, Dry Pressed, ISO Pressed

Purity of Material

96%, 99%, 99.5%, 99.9% Alumina

Color

White, Ivory, Pink, Transparent

Secondary Process

Flat Grinding, Laser Cutting, CNC Machining

Features

High Mechanical Strength, High Insulation

Usage

Work as Circuit Board, Ceramic Lining Plate

Transport Package

Wooden Case/Carton/Bubble Pack

Specification

40*50

Trademark

Herun

Origin

China

HS Code

6914100000

Production Capacity

500000PCS/Year

Key features

High Purity Options: Available in 95%, 99%, 99.5%, and 99.9% Alumina purity levels.

Customizable Colors: Colors include White, Ivory, Pink, and Transparent options.

Precision Surface: Surface roughness up to Ra0.005 for thin film circuit substrates.

Customizable Forms: Forming methods include Tape Casting, Dry Pressed, and ISO Pressed.

Customizable Processes: Secondary processes like Flat Grinding, Laser Cutting, and CNC Machining available.

High Insulation: Excellent electrical insulation with high dielectric strength.

Fast Prototyping: Ability to go from prototype design to mass production quickly.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityQuality AssuranceQA/QC Inspectors

Herun Ceramics Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 yearsNearest Port: ninboAverage Response Time: ≤8.59h

AI-Powered supplier vetting

SummaryThe supplier manufactures special ceramic products, electronic specialized materials, hardware products, and related ceramic and composite materials. It reports extensive customization options, ODM capability, OEM service for well-known brands, one production line, listed ceramic and metal-processing equipment, and 31–40 quality-control staff. Service capacity includes in-stock capability and stated lead times of within 15 working days off-season and one month during peak season. However, the supplier lacks a valid manufacturing contract with its related subcontractor, has no overseas warehouse, showroom, agents, or branches, and has not participated in offline trade shows. Quality controls include assurance and material checks, but raw-material traceability is absent and complaint handling lacks written records. Financial records are referenced for 2021–2023, but their substantive results are not provided. Environmental and fire-drill status are unknown.

Supplier typeThe supplier is a manufacturer focused on special ceramic products, electronic specialized materials, hardware products, and ceramic-based or metal-based composite materials. Its equipment list includes ceramic kilns, hydraulic presses, punching machines, and grinding machines, while one production line is reported, supporting classification as a specialized ceramic manufacturer rather than a purely trading company.

R&D capabilityThe supplier reports that it had new products during the past year, offers ODM services, and provides customization from samples and designs. Its R&D engineer experience is listed as 1, while no SDK is available; the evidence supports product-development activity but not a broad or highly mature innovation infrastructure.

Production capacityProduction resources include a ceramic kiln, hydraulic press, punching and grinding machines, one production line, in-stock capability, and 31–40 quality-control staff. Reported lead times are within 15 working days off-season and one month during peak season, but the absence of a valid contract with a related subcontractor creates a documented production-governance weakness.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, and flexible customization. ODM service is also available, giving direct evidence of broad customization support.

Product Q&A

Q:Are you a factory or trading company?

We are a manufacturer. Warmly welcome to visit our factory.

Q:What kinds of products can you make?

We are offering products made by 95%/99.5%/99.7% alumina, zirconia and steatite.

Q:Is it available to provide customized products?

90% of our products are custom-made, so your special demands are always welcome.

Q:How soon can I get the price?

Nornally, we quote within 24 hours after your full inquiry arrives. The full inquiry should include a drawing with technology requirements and your purchase quantity. If you can inform us what is the part used in, that will help to make our quotation more accurate.

Q:How long is your delivery time?

Generally it will 21-35 days, but it varies on the different designs and quantities.