What are the payment terms?

Standard terms are 30% T/T deposit with 70% balance against B/L copy. For orders under $1,000, full advance payment is recommended. We also accept LC, D/P, PayPal, and Western Union.

What quality assurance systems do you have?

We implement a two-stage QA 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, China, a major port city with excellent transportation infrastructure. We have been established since 2009/2010.

High-Quality Square Taper Washers for Structural Steel Applications

Name: High-Quality Square Taper Washers for Structural Steel Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2199829825

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

Beveled Washers

Material

Brass

Model NO.

DIN 6918

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Beveled 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, ISO-certified with comprehensive R&D and vertically integrated production.

Flexible Customization: Offers full customization from samples, designs, or specific customer requirements.

Rigorous Quality Control: Two-stage QA: pre-production sampling and full batch inspection including torque and salt spray tests.

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 prototyping service within 15 working days.

Low Minimum Order Quantity: Supports small orders with a minimum order quantity of just 1 Kg.

Global Market Experience: Serves clients in North America, Europe, Australia, and Asia with 15 years of export experience.

Multiple Payment Terms: Accepts T/T, LC, D/P, PayPal, and Western Union to accommodate various transaction needs.

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.

Product Q&A

Q:What materials are available for these washers?

We offer carbon steel and stainless steel options with various finishes including zinc plating, hot dip galvanized, Dacromet, nickel plating, black oxide, and plain.

Q:Can I customize the size and specifications?

Yes, we provide flexible customization. Sizes are based on standards or customer requirements, and we support customization from samples, designs, or specific needs.

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

The minimum order quantity is 1 Kg, allowing for small trial orders or specific project needs.

Q:How long is the delivery time?

Standard delivery time is 30-40 days. Peak season lead time is one month, while off-season is also one month. Custom samples take 15 working days.

Q:Do you provide free samples?

Yes, we provide 1-3 free standard specification samples. Sample costs are refundable upon bulk order confirmation. Express shipping is at the customer's account.