What is your minimum order quantity?

The minimum order quantity is 1 Kg.

What quality assurance protocols do you follow?

We implement a rigorous two-stage protocol: pre-production sampling with dimensional verification and full batch inspection including torque testing, salt spray analysis, and material certification.

Where is your company located?

We are located in Ningbo, Zhejiang, China, a major port city with excellent transportation infrastructure.

Premium DIN 127 Spring Steel Lock Washers for Industry

Name: Premium DIN 127 Spring Steel Lock Washers for Industry
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2192216035

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 Washer

Selling Units

Building, Industry, Machinery

Package

Customer'require

Delivery Time

15-30

Product Name

Spring Lock Washer

Sample

Availabe

Service

Customized OEM ODM

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

DIN 127 Standard Compliance: Manufactured strictly according to DIN 127 (A) standards for top-grade spring lock washers.

Diverse Material Options: Available in carbon steel and stainless steel to meet various industrial requirements.

Customizable Surface Finish: Offers Zinc Plated, Hot Dip Galvanized, Dacromet, Nickel Plated, Black Oxide, and Plain finishes.

Flexible Size Customization: Sizes available based on reference standards or specific customer requirements.

OEM and ODM Services: Provides full customization from samples and designs with flexible customization options.

ISO Certified Manufacturer: Established in 2009 with ISO certification and vertically integrated production facilities.

Comprehensive Quality Assurance: Implements pre-production sampling and full batch inspection including torque and salt spray tests.

Free Sample Availability: Provides 1-3 pcs of standard specification samples free of charge with refundable cost policy.

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.

Product Q&A

Q:What is the delivery time for orders?

Normally in 30-40 days. Peak season lead time is one month, while off-season is also one month.

Q:Can you provide samples?

Free samples (1-3 pcs standard specification) are available. Express shipping via DHL/UPS/FedEx is an option. Customized samples take 15 working days, and sample costs are refundable upon bulk order confirmation.

Q:What are the payment terms?

Standard terms are 30% T/T deposit with 70% balance against Bill of Lading copy. For orders under $1,000 USD, full advance payment is recommended. SWIFT transfer, LC at sight, and other methods are acceptable.

Q:What materials are used for the washers?

The washers are manufactured using Carbon steel and Stainless steel.

Q:Do you offer customization services?

Yes, we offer flexible customization, including customization from samples and designs, as well as full customization services.