What quality assurance measures are in place?

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

What materials and grades are available?

Materials include Stainless Steel, Low Carbon Steel, Medium Carbon Steel, and Alloy Steel. Grades available are 4.8, 6.8, 8.8, and 10.9.

Unique U Bolts for Enhanced Stability in Various Applications

Name: Unique U Bolts for Enhanced Stability in Various Applications
Brand: Ningbo Yinzhou Sokun Import and Export Co., Ltd.
SKU: 2200546845

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

US$0.10

1,000-4,999 Pieces

US$0.09

5,000-9,999 Pieces

US$0.08

10,000-49,999 Pieces

US$0.06

50,000+ Pieces

Product profile

Customization

Available

Material

Stainless Steel, Steel

Type

U-Bolts

Connection

Common Bolt

Head Style

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8/6.8/8.8/10.9

Finish

Zinc, Plain

Standards

DIN3570, Ifi-136

Finished

Black/Zinc Plated/Hot DIP Galvanized

Length

10mm-600mm

Selling Units

Building, Industry, Machinery

Package

Cartons&Pallets or According to Customer's Require

Size

M4-M36

Transport Package

Cartons & Pallets or According to Customer''s Requ

Specification

M4-M36

Trademark

SOKUN

Origin

Zhejiang

HS Code

7318150000

Production Capacity

100000000

Key features

Customizable Specifications: Length 10mm-600mm, Size M4-M36, and finishes like Black/Zinc Plated/Hot DIP Galvanized.

ISO Certified Manufacturer: Established in 2009, ISO-certified with comprehensive R&D and vertically integrated production.

Rigorous Quality Assurance: Two-stage protocol: Pre-production sampling and full batch inspection including torque and salt spray tests.

Free Sample Availability: 1-3 pcs standard samples free; custom prototypes within 15 days; cost refundable on bulk order.

Flexible Payment Terms: 30% T/T deposit, LC at sight, PayPal, Western Union. Full advance for orders under $1,000.

Low Minimum Order Quantity: MOQ is only 1 Kg, allowing for small batch testing and flexible procurement.

Global Export Experience: 15 years export experience serving North America, Europe, Asia, and Middle East with FOB/CIF terms.

Wide Material Selection: Available in Stainless Steel, Low/Medium Carbon Steel, and Alloy Steel with grades 4.8 to 10.9.

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: ≤6.02h

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 are the customization options for U Bolts?

We offer flexible customization including standards (DIN3570, Ifi-136), finishes (Black, Zinc Plated, Hot DIP Galvanized), lengths (10mm-600mm), and sizes (M4-M36). Customization from samples or designs is available.

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

The minimum order quantity is 1 Kg. For orders under $1,000 USD, we recommend full advance payment to minimize transaction fees.

Q:How long is the delivery time?

Normally 30-40 days. During peak season, lead time is 1-3 months; off-season is about one month. Custom prototypes can be made within 15 working days.

Q:Can I get free samples?

Yes, 1-3 pcs of standard specification samples are free. Express shipping (DHL/UPS/FedEx) is at the customer's account. Sample cost is refundable upon bulk order confirmation.

Q:What payment terms do you accept?

We accept 30% T/T deposit with 70% balance against B/L copy. Other options include LC at sight, PayPal, Western Union, and small-amount payments. SWIFT transfer is also available.