What quality assurance measures do you follow?

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

What types of products do you manufacture?

Our portfolio includes industrial fasteners (bolts, nuts, washers), solar energy installation systems, and precision CNC-machined components.

Versatile Zinc-Plated Washers for Industrial and Construction Needs

Name: Versatile Zinc-Plated Washers for Industrial and Construction Needs
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2200196245

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

Tab Washers

Material

Brass

Model NO.

DIN 5406

Combination Washer Structure

Combination Washer Packaging

Spring Washer Type

Standards

GB, DIN, ISO, JIS

Finished

Zinc

Name

Tab 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

Comprehensive Customization: Flexible customization from samples or designs with full customization options available.

ISO Certified Manufacturer: Established in 2009 with ISO certification and rigorous two-stage quality assurance protocols.

Free Sample Availability: Free standard samples (1-3 pcs) available with express shipping options via DHL/UPS/FedEx.

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

Global Market Reach: Serving clients across North America, Europe, Asia, South America, Africa, and the Middle East.

Low Minimum Order Quantity: Accepts orders starting from 1 Kg with flexible payment terms for small amounts.

Fast Delivery Capability: Standard delivery time of 15-30 days for custom items and 30-40 days for standard bearings.

Wide Product Portfolio: Includes industrial fasteners, solar mounting systems, and precision CNC-machined components.

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: ≤4.84h

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:Can I get a sample before placing a bulk order?

Yes, free samples (1-3 pcs) are available for standard specifications. Customized samples can be prototyped within 15 working days. Sample costs are refundable upon bulk order confirmation.

Q:What are your 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 SWIFT, LC at sight, PayPal, and Western Union.

Q:Do you offer customization services?

Yes, we provide flexible customization from samples or designs, as well as full customization options to meet specific client requirements.

Q:What is your minimum order quantity?

The minimum order quantity is 1 Kg.

Q:How long does it take to deliver?

Delivery time is normally 30-40 days for standard items. Customized samples take 15 working days. Peak season lead time is one month.