What are the payment terms?

Payment terms include LC, T/T, D/P, PayPal, and Western Union.

What are the main applications for this tube?

It is mainly used in thermocouple temperature measurement, liquid steel continuous temperature monitoring, and various industrial furnaces.

High Temperature Insulation Refractory Al2O3 Alumina Ceramic Square Tube

Name: High Temperature Insulation Refractory Al2O3 Alumina Ceramic Square Tube
Brand: Hunan Rui Yue Industrial and Trade Co., Ltd.
SKU: 893241335

Hunan, ChinaHunan Rui Yue Industrial and Trade Co., Ltd.

US$20.00

5-49 pcs

US$18.00

50-99 pcs

US$15.00

100+ pcs

Sample price:US$1.00/pcs.Request sample

Product profile

Customization

Available

Application

Insulators, Electrical Winding Insulation

Color

Ivory and White

Material

Ceramic

Maximum Voltage

<10KV

Thermal Rating

1800 Degree C

Shape

Pipe

Alumina Content

99.7% Alumina

Size

Customized

Feature

High Temperature Resistance

Type

Insulation Sleeve & Tube

Chemistry

Inorganic Insulation

Classification

Organic Insulating Material

Certification

ISO9001

Transport Package

Export Wooden Box

Specification

based on order quantity

Origin

China

HS Code

854710000

Production Capacity

500000PCS/Month

Key features

High Purity Alumina: Made from 95%-99% high purity alumina oxide for superior performance.

Customizable Sizes: Diameter 1-120mm, Length 100-2000mm, with custom shape options.

Fast Delivery: Large stock ensures delivery within 15 days after order confirmation.

OEM and ODM Support: Welcome customization from designs and samples for specific needs.

High Mechanical Strength: Features high density, hardness, and compression strength for durability.

Wide Application Range: Used in petrochemical, electric, instrumentation, and military projects.

Competitive Pricing: Large quantity in stock allows for competitive prices and fast shipping.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Hunan Rui Yue Industrial and Trade Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 7 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤9.33h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier manufactures products used in lighting, electrical, heating, automotive, nozzle, and insulation-related applications, with exports reported to multiple regions and 90% of total sales from exports. It operates two production lines, has 21–30 quality-control staff, and reports finished-product inspection instructions that are uniformly followed, along with quality assurance and raw-material traceability. Customization is available from customer designs and samples. However, the supplier is not identified as a professional technical supplier, does not provide 3D software design, ODM, SDK, or well-known-brand OEM services, and reported no new products in the past year. After-sales and corrective-action procedures exist but lack written records. No evidence establishes certifications, formal overseas service infrastructure, inventory capability, or customer-specific case references.

Supplier typeThe supplier manufactures components and products for lamps, electrical and heating products, nozzles, automotive parts, and insulation applications. Its reported product scope, two production lines, production equipment, and broad export markets indicate a manufacturing-oriented supplier rather than a professional technical-service supplier.

R&D capabilityThe supplier reported no new products in the past year and does not provide 3D software design, ODM, or SDK services. It does offer customization from designs and samples, but the explicit evidence indicates limited product-development and technical innovation capability.

Production capacityThe supplier operates two production lines and has extensive listed equipment, 21–30 quality-control staff, standardized finished-product inspection instructions, and reported annual output above the stated threshold. Nevertheless, it lacks continuous quantity reconciliation, an outsourcing SOP, valid contracts with related subcontractors, inventory capacity, and overseas warehouse capability; production capacity is demonstrated, while manufacturing-control depth is mixed.

Customization capabilityBoth relevant slices explicitly state customization from customer designs and customization from samples. This supports the supplier’s ability to produce customized products based on provided specifications or physical samples, although no evidence confirms 3D or software-based design support.