What surface treatments are available?

Options include 2B, No.1, No.2D, No.2B, BA, No.3, No.4, No.240, No.400, Hairline, No.8, and Brushed finishes.

Do you provide certifications?

Yes, products come with ISO, AISI, ASTM, GB certifications and an SS316 mill certificate.

What is your quality inspection process?

We perform 100% inspection on finished products, including visual and functional checks.

Welding U Steel Channel with SS316 Mill Certificate

Name: Welding U Steel Channel with SS316 Mill Certificate
Brand: Shanghai Changzeng Metal Co., Ltd.
SKU: 846404315

Shanghai, ChinaShanghai Changzeng Metal Co., Ltd.

US$599.00-780.00

25 Tons

Sample price:US$32.00/foot.Request sample

Product profile

Customization

Available

Type

Stainless Steel Channels

Standard

ASTM, AISI, GB, DIN

Model NO.

cz-p405

Grade

300 Series

Certification

ISO, AISI, ASTM, GB

Shape

U Channel

Technique

Hot Rolled

Surface Treatment

Polished

Length

6m/12m or Custom

Item Type

Square Steel

Place of Origin

Shanghai, China

MOQ

3 Ton

Customized Size

Steel Grade

316, 430, 210, 2250

Delivery Time

7- 25 Days

Shipping Service

6 Years Experience

Transport Package

1. Big Od/ Bulk Small Od: Packed by Steel Strip

Specification

GB, ASTM, AISI

Trademark

Origin

Shanghai

Production Capacity

5000 Tons/ Month, 15000 Tons/ Season

Key features

Customized Size Available: Accepts custom length and dimensions beyond standard 6m/12m options.

Multiple Steel Grades: Available in 316, 430, 210, and 2250 stainless steel grades.

Wide Surface Treatment Options: Offers 2B, No.3, No.4, BA, 8K, HL, and brushed finishes as requested.

Comprehensive Certifications: ISO, AISI, ASTM, GB certified with SS316 mill certificate included.

Fast Delivery Time: Standard delivery within 7-25 days, or 15 days after deposit receipt.

Flexible Payment Terms: Accepts T/T, L/C, PayPal, Western Union, and Credit Insurance.

Full Customization Support: Supports customization from samples, designs, and minor adjustments.

100% Quality Inspection: All finished products undergo visual and functional inspection.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceIn-stock CapacityQuality Assurance

Shanghai Changzeng Metal Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2016-01-13Nearest Port: Shanghai Port, Tianjin Port, Qingdao PortAverage Response Time: ≤3.85hTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryThe supplier is a Shanghai-based trading company that also identifies as a manufacturer/factory, with 19 years of export experience and 90% of sales from exports. It offers broad customization from samples, designs, and full-custom requirements, and reports standardized finished-product inspection instructions and quality assurance. However, the available information shows no new products in the past year, no ODM, SDK, overseas agents, overseas warehouse, showroom, or offline trade-show participation. Corrective/preventive action and complaint-handling procedures are undocumented, while supplier-service assessment procedures and approved supplier records are absent. Financial operating figures provided are zero, but their interpretation is not independently verifiable from the slices. Customer cases and certifications are not provided.

Supplier typeThe supplier is described as a trading company in Shanghai and is also identified as a Trading Company, Manufacturer/Factory. This indicates a mixed trading and manufacturing business classification, but the slices do not establish the scale or scope of its own production facilities.

After-Sales capabilityThe supplier reports in-stock service capacity and lead times within 15 working days in both peak and off-seasons. However, it has no overseas warehouse, overseas showroom, overseas agents or branches, and no written procedures or records for complaint handling or corrective and preventive actions, limiting evidence of a structured after-sales system.

Financial creditThe provided financial fields report zero operating revenue, profit, margins, current ratios, and cash outflows for the stated periods, while the supplier is listed as a limited company with registered capital information. These reported operating indicators provide explicit evidence of weak financial performance, although the slices do not explain the data quality or accounting context.

R&D capabilityThe supplier reports no new products in the past year, no ODM service, and no available SDK. These statements directly indicate limited demonstrated recent product-development and technical innovation capability.

Production capacityThe supplier is classified as both a trading company and manufacturer/factory, has in-stock capacity, and reports standardized instructions for finished-product inspection and quality assurance. Nevertheless, outsourcing procedures and manufacturing-capacity contract status are unknown, and only one quality assurance/quality control inspector is reported, so production depth cannot be fully confirmed.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization in both design-service and R&D-related descriptions. This is direct evidence of broad customization coverage, although it does not quantify engineering resources or production limits.