Do you offer customization services?

Yes, we provide flexible customization including full customization from samples or designs, adhering to standards like GB, DIN, ISO, and JIS.

What quality assurance measures do you implement?

We use a two-stage QA protocol: pre-production sampling with dimensional verification and full batch inspection including torque testing and salt spray analysis.

High Strength Double End Bolts for Durable Construction Projects

Name: High Strength Double End Bolts for Durable Construction Projects
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2200583225

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

US$0.01-1.00

10,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Connection

Common Bolt

Head Style

Grade

Finish

Zinc

Standards

GB, DIN, ISO, JIS

Finished

Passivation, Zinc Plating, Black, Plain

Size

M5X10mm-M100X3000mm

Productioncapacity

300tons/Month

Sample

Avaliable

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

Wide Size Range: Available in sizes from M5x10mm to M100x3000mm to meet diverse project needs.

Multiple Material Options: Offered in A2/A4 314/316 stainless steel, low carbon steel, medium carbon steel, and alloy steel.

Flexible Customization: Supports full customization from samples or designs, including standards like GB, DIN, ISO, JIS.

Diverse Surface Finishes: Options include passivation, zinc plating, black, plain, HDG, yellow zinc plated, chromed, and nickel plated.

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

Fast Sample Service: Free standard samples available; custom prototypes delivered within 15 working days.

High Production Capacity: Monthly production capacity of 300 tons ensures reliable supply for large orders.

Global Export Experience: 15 years of export experience serving North America, Europe, Asia, and other global markets.

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: ≤4.82h

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.