What quality certifications do you have?

We are an ISO-certified manufacturer with products meeting ASTM/ISO standards, including CE and SGS certificates.

What is your quality assurance process?

We use a two-stage protocol: pre-production dimensional verification and full batch inspection including torque and salt spray tests.

Spiral Roll Slotted Split Spring Dowel Pin

Name: Spiral Roll Slotted Split Spring Dowel Pin
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2190191895

Zhejiang, ChinaNingbo Yinzhou Sokun Import and Export Co., Ltd.

US$0.10

1,000-4,999 Pieces

US$0.08

5,000-9,999 Pieces

US$0.07

10,000-99,999 Pieces

US$0.05

100,000+ Pieces

Product profile

Customization

Available

Material

Spring Steel

Surface Finishing

Bright(Uncoated)/Longer Life Ticn/Steam Oxide Nitr

Model NO.

DIN 1481

Certification

ISO, CE

Customized

Standards

GB, DIN, ISO, JIS

Finished

Passivation, Zinc Plating, Black, Plainhdg, Yellow

Certificate

ISO9001/SGS

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

Customizable Specifications: Offers customized standards (GB, DIN, ISO, JIS) and surface finishes based on customer requirements.

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

Rigorous Quality Assurance: Implements two-stage QA including pre-production sampling and full batch inspection with torque and salt spray tests.

Flexible Payment Terms: Accepts 30% T/T deposit, LC at sight, SWIFT, PayPal, and Western Union for convenient transactions.

Fast Delivery Time: Standard delivery within 30-40 days, with customized samples ready within 15 working days.

ISO Certified Manufacturer: Established in 2009, ISO-certified factory with 15 years export experience and vertical integration.

Global Market Reach: Serves clients in North America, Europe, Asia, and other regions with professional engineering support.

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

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.