What is the typical delivery time?

Standard delivery time is normally 30-40 days. Customized samples can be prepared within 15 working days.

What quality certifications do you have?

We are an ISO-certified manufacturer with a rigorous two-stage quality assurance protocol including dimensional verification and salt spray analysis.

What surface finishes are offered?

We offer various finishes including Zinc Plated, Hot Dip Galvanized Steel, Dacromet, Nickel Plated, Black Oxide, and Plain.

Durable Conical Spring Washers for Reliable Bolted Assemblies

Name: Durable Conical Spring Washers for Reliable Bolted Assemblies
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2191962055

Zhejiang, ChinaNingbo Yinzhou Sokun Import and Export Co., Ltd.

US$0.03

10-4,999 Pieces

US$0.02

5,000-99,999 Pieces

US$0.01

100,000+ Pieces

Product profile

Customization

Available

Type

Disc Spring

Material

Brass

Model NO.

DIN 6796

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Disc Spring

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

Customizable Standards: Available in GB, DIN, ISO, and JIS standards to meet specific project requirements.

Flexible Customization: Offers full customization from samples or designs, including specific finishes like Zinc Plated or Dacromet.

ISO Certified Quality: Manufactured under ISO certification with rigorous two-stage quality assurance and material certification.

Free Sample Availability: Provides 1-3 free standard samples with express shipping options via DHL, UPS, or FedEx.

Low Minimum Order: Accepts minimum order quantities as low as 1 Kg, suitable for small batch testing or prototyping.

Global Export Experience: 15 years of export experience serving clients in North America, Europe, Asia, and other global markets.

Diverse Finish Options: Offers various surface treatments including Zinc Plated, Hot Dip Galvanized, Nickel Plated, and Black Oxide.

Fast Delivery Time: Standard delivery within 30-40 days, with customized samples available within 15 working days.

Company profile

High Repeat Buyers ChoiceODM ServicesR&D CapabilitiesProduction Process Visualization

Ningbo Yinzhou Sokun Import and Export Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.96h

AI-Powered supplier vetting

SummarySokun is a limited company with 21 employees, related companies, and product coverage including fasteners, machined parts, and stamping parts. It supports customization from samples and designs, offers ODM services, and reports OEM service for well-known brands. Quality processes include quality assurance, documented inspection instructions, and complaint-handling records, although finished-product inspection is random and only one quality inspector is reported. Production-related strengths include in-stock capability, CNC and punching equipment, and one-month stated lead times in both peak and off-season periods. Key limitations are the absence of a valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, branches, agents, or showrooms, and no documented R&D audit materials, new products in the past year, or R&D patents. Financial credibility cannot be determined from the provided information.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with followed records and accepts several quotation and payment terms. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas services, limiting evidence of localized after-sales support.

R&D capabilityThe supplier provides ODM and multiple customization-based design services, but reports no new products during the past year, no available SDK, no R&D audit documentation, and zero R&D patents. These facts indicate design support but limited documented evidence of independent innovation.

Production capacityProduction evidence includes CNC and punching equipment, in-stock capability, one-month lead times in both peak and off-season, and a product scope aligned with machined and stamping parts. Nevertheless, there is no valid manufacturing-capacity contract with related subcontractors, which creates a documented capacity-governance weakness.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, flexible customization, and minor customization, and also offers ODM services. This is direct evidence of broad customization capability.