What materials are used for the washers?

Materials include carbon steel, stainless steel, and brass, with finishes like zinc plating, hot dip galvanized, and Dacromet.

What quality standards do you follow?

We are ISO-certified and ensure compliance with ASTM/ISO standards through rigorous pre-production sampling and full batch inspection.

High-Performance Tang End Spring Washers for Industrial Machinery Use

Name: High-Performance Tang End Spring Washers for Industrial Machinery Use
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2192176535

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

Spring Washers

Material

Brass

Model NO.

DIN 127

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Spring Washers

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

Flexible Customization: Customization from samples, designs, or full customization available.

ISO Certified Quality: ISO-certified manufacturer with rigorous two-stage quality assurance protocols.

Free Sample Availability: Free standard samples available; cost refundable upon bulk order confirmation.

Wide Material Options: Carbon steel, stainless steel, brass with various finishes like zinc plating.

Low Minimum Order: Minimum Order Quantity starts at just 1 Kg for flexible purchasing.

Global Shipping Support: Ships from Ningbo/Shanghai ports with FOB, CIF, CFR, and EXW terms.

Diverse Payment Terms: Accepts T/T, LC, D/P, PayPal, and Western Union for global transactions.

Comprehensive Product Range: Offers fasteners, solar mounting systems, and precision CNC-machined parts.

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: ≤5.09h

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.