What is the lead time for production?

The lead time is within 15 workdays during the off-season and one month during the peak season.

What is the thermal shock resistance of the cupels?

The cupels feature high thermal shock resistance and can withstand temperatures up to 1100 degrees Celsius.

What is the recovery rate of the cupels?

The cupels offer a high recovery rate of 97%-98.5% for efficient material processing.

Magnesite Cupels Industrial Magnesium Oxide Cupels, Bone Ash Cupels for Jewelry

Name: Magnesite Cupels Industrial Magnesium Oxide Cupels, Bone Ash Cupels for Jewelry
Brand: Hunan Rui Yue Industrial and Trade Co., Ltd.
SKU: 864692905

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

US$0.40-1.00

10 Pieces

Product profile

Customization

Available

Application

Thermal Analysis or Firing

Color

White, Light Yellow

Model NO.

Rui Yue

Material

Magnesia

Shape

Conical, Circular, Cylindrical

Name

Magnesite Cupels Industrial Magnesium Oxide Cupels

Magnesia

More Than 95%

Item

Ceramic Crucible, Cupel

Purpose

Gold Smelting and Assaying

Size

6A, 7A, 8A, 9A

Usage

Melting, Assaying

Packing

Wooden Packing, Paper Carton Packing

Type

Ceramic Crucible

Refractoriness

1100

Transport Package

by Carton

Specification

6A, 7A, 8A, 9A

Trademark

Origin

Hunan China

HS Code

6909320000

Production Capacity

10000PCS Per Month

Key features

High Purity Magnesia: Magnesia content is more than 95%, ensuring high quality and reliability.

High Thermal Resistance: Withstands temperatures up to 1100 degrees Celsius with high refractoriness.

Rapid Absorption Rate: Features a rapid absorption rate of 70% for efficient smelting and assaying.

High Recovery Rate: Achieves a recovery rate of 97%-98.5%, maximizing material yield.

Multiple Size Options: Available in standard sizes 6A, 7A, 8A, and 9A to fit various needs.

Customizable Options: Supports customization from designs and samples for specific requirements.

Versatile Application: Ideal for gold smelting, assaying, jewelry making, and thermal analysis.

Easy to Use: Designed for easy use without the need for milling or complex preparation.

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: ≤10.81h 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.