What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, and Western Union.

What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

Can you provide samples for testing?

Yes, samples are available for customers to evaluate quality before placing large orders.

Factory Price Silicon Nitride Si3n4 Protection Tube

Name: Factory Price Silicon Nitride Si3n4 Protection Tube
Brand: Hunan Rui Yue Industrial and Trade Co., Ltd.
SKU: 2043598515

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

US$8.00

10 Pieces

Product profile

Customization

Available

Refractoriness (℃)

1580< Refractoriness< 1770

Feature

Long Time Materials, Instant Materials

Model NO.

RY-ST01

Type

Heat-Resistant Material

Shape

Pipe

Material

Graphite

Transport Package

Wooden Case

Specification

according customer request

Trademark

Origin

Hunan, China

HS Code

6909390000

Production Capacity

10000per Month

Key features

High Strength & Low Density: 60% lighter than steel with high fracture toughness and wear resistance.

Excellent Thermal Shock Resistance: Withstands extreme temperature changes and offers high creep resistance.

Customizable Design & Samples: Supports OEM/ODM services with customization from designs or samples.

Low MOQ for Market Testing: Minimum order of 1 piece allows easy market entry with low financial risk.

One-Year Warranty & Support: Includes one-year guarantee and free wearing accessories for repairs.

Fast Response & R&D Support: Inquiries replied within 24 hours with independent R&D and ISO manufacturing.

Competitive Factory Pricing: Direct factory supply with lower prices for larger order quantities.

Certified Quality Assurance: ISO manufactured with necessary certificates and strict quality standards.

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: ≤9.81h 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.