Do you offer spot goods for immediate delivery?

Yes, spot goods can be delivered to the warehouse on the same day.

What international standards do your products meet?

Our products comply with GB, DIN, UNS, and JIS standards.

What is the warranty or quality assurance policy?

We perform random visual and function inspections on finished products with full traceability of raw materials.

Curved Spring Washers for Screw and Washer Assemblies

Name: Curved Spring Washers for Screw and Washer Assemblies
Brand: Ningbo Yongbiao Fastener Co., Ltd
SKU: 2073652142

Zhejiang, ChinaNingbo Yongbiao Fastener Co., Ltd

US$0.003-0.20

10,000 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Type

Corrugated Gasket

Material

Stainless Steel

Model NO.

GB-9

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Delivery Time

7-20days

Standard

GB, DIN, Uns,JIS

Grade

4.8, 8.8, 10.9, 12.9

Payment

Tt 30% Deposit

Transport Package

Carton Boxes

Specification

8-20

Origin

China

HS Code

7318220001

Production Capacity

500ton/Month

Key features

Wide Material Selection: Available in Stainless Steel, Carbon Steel, and Copper.

Multiple Grade Options: Grades 4.8, 8.8, 10.9, and 12.9 available.

Extensive Surface Finishes: Options include Natural, Black, Zinc-plated, Nickel, and Hot-dip galvanized.

Flexible Delivery Time: Standard 20-25 days, urgent 7-15 days, spot goods same-day delivery.

OEM and ODM Services: Customization available from samples and designs.

Multiple Standards Compliance: Meets GB, DIN, UNS, and JIS standards.

Convenient Export Location: Factory located 35km from Ningbo Port for easy shipping.

Rigorous Quality Control: Includes visual and function inspection with traceable raw materials.

Company profile

Importers and ExportersFast DeliveryQuality AssuranceProduction Process Visualization

Ningbo Yongbiao Fastener 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 CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.49h

AI-Powered supplier vetting

SummaryThe supplier is described as a medium-sized fastener manufacturer integrating R&D, production, and sales, with more than 50 employees, over 50 production machines, more than 10 testing machines, and four production lines. It provides OEM services for well-known brands and supports customization from samples and designs. Quality and service-management procedures are documented and followed, including finished-product inspection, supplier assessment, corrective and preventive action, and complaint handling. However, no SDK is available, and no overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported. Overseas service coverage is recorded as zero countries, while export-trade experience is represented by three experienced staff. Production quantity reconciliation is not continuously performed for every batch or production run. Financial records are identified for 2021–2023, but the provided information does not establish financial strength.

Supplier typeThe supplier operates as a fastener manufacturing enterprise integrating R&D, production, and sales. Its stated business scope also includes wholesale, motorcycle and bicycle parts, wire and cable management, instruments, pumps, household-appliance parts, and metal materials, while its primary market is listed as domestic.

After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaints. However, it reports no overseas warehouse, showroom, agent, branch, or offline trade-show capability, and overseas service coverage is recorded as zero countries, limiting evidence of strong international after-sales support.

Production capacityThe supplier reports four production lines, more than 50 production machines, more than 10 testing machines, over 50 employees, and screw output of 4,000 tons. Finished-product inspection instructions are uniformly followed, but continuous quantity reconciliation for each batch or production run is not performed.

Customization capabilityThe supplier explicitly supports customization from samples and designs and provides OEM services for well-known brands. These capabilities directly support customer-specific product development and manufacturing.