Do you offer customization services?

Yes, we offer flexible customization options including customization from samples, designs, and full customization services to meet specific client requirements.

What quality assurance measures do you take?

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

What is your company's manufacturing capability?

Established in 2009, we are an ISO-certified manufacturer with vertically integrated production facilities, expert engineering teams, and lean manufacturing capabilities serving global markets.

Premium Quality C Washers for Hexagon Bolts and Nuts

Name: Premium Quality C Washers for Hexagon Bolts and Nuts
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2191909295

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

Plain Washers

Material

Brass

Model NO.

DIN 126

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Plain 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

ISO Certified Manufacturer: Established in 2009, we are an ISO-certified fastener manufacturer with comprehensive R&D capabilities.

Flexible Customization: Offers flexible customization including from samples, designs, and full customization options.

Rigorous Quality Assurance: Implements a two-stage protocol: pre-production sampling and full batch inspection including torque testing.

Diverse Material Options: Available in carbon steel and stainless steel with finishes like zinc plating, hot dip galvanized, and Dacromet.

Free Sample Availability: Provides 1-3 free standard samples with express shipping options and refundable cost upon bulk order.

Low Minimum Order Quantity: Supports small business needs with a Minimum Order Quantity (MOQ) of just 1 Kg.

Global Market Experience: Serves global markets including North America, Europe, Asia, and the Middle East with 15 years export experience.

Fast Delivery Time: Standard delivery time is normally 30-40 days, with customized samples ready 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: ≤4.47h

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 materials are available for these washers?

The washers are available in carbon steel and stainless steel, with various finishes including zinc plating, hot dip galvanized, Dacromet, nickel plating, black oxide, and plain.

Q:Can I get free samples before placing an order?

Yes, we provide 1-3 free standard specification samples. Express shipping is available via DHL/UPS/FedEx at the customer's account, and the sample cost is refundable upon bulk order confirmation.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 Kg, making it suitable for small-scale testing or initial orders.

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. We also accept LC at sight, D/P, PayPal, and Western Union.

Q:How long is the delivery time?

Normal delivery time is 30-40 days. Customized samples can be prepared within 15 working days. Peak season lead time is one month, while off-season is also one month.