Can l visit your factory?

Of course, we welcome customers from all over the world to visit our factory

Are the products inspected before loading?

Of course, all our products undergo rigorous quality testing before packaging, and those that fail will be destroyed.

How to package the product?

The inner laver has a waterproof paper outer laver, which is wrapped in iron and secured by fumigated wood pallets. it caneffectively protect products from corrosion during ocean transportation.

What are your working hours?

Generally speaking, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply you on the next workingday inguire.

High Strength Steel Square Tube for Construction

Name: High Strength Steel Square Tube for Construction
Brand: Shanghai Sunnyda Industry Co., Ltd.
SKU: 2138639412

Shanghai, ChinaShanghai Sunnyda Industry Co., Ltd.

US$480.00

1-49 Tons

US$470.00

50-99 Tons

US$460.00

100+ Tons

Sample price:US$480.00/ton.Request sample

Product profile

Customization

Available

Type

Square Tube

Standard

AISI, ASTM, DIN, JIS, GB, BS

Model NO.

Square Tube

Composition

Galvanized Steel,Aluminum,Carbon

Technique

Hot Rolled,Cold Rolled

Shape

Anomaly

Surface Treatment

Galvanized

Special Use

Wear Resistant Steel, Free Cutting Steel, Mold Steel

Application

Construction and Frameworks

Material

Carbon Steel, Galvanized Steel, Aluminum Alloy

Project Solution Capability

Graphic Design, Others

Thickness

1 - 20 mm

Processing Service

Welding, Punching, Cutting, Bending

Transport Package

Shipping

Specification

ISO

Trademark

Origin

Shanghai

Key features

Custom Material Options: Available in Carbon Steel, Galvanized Steel, and Aluminum Alloy.

Flexible Thickness Range: Customizable thickness from 1 mm to 20 mm for various needs.

Multiple Processing Services: Supports Welding, Punching, Cutting, and Bending services.

Graphic Design Support: Provides personalized design and project solution capabilities.

OEM/ODM Welcome: Offers one-stop service for original equipment manufacturing.

High Strength Application: Ideal for construction, frameworks, and wear-resistant uses.

Quality Certifications: Certified with ISO 9001, SGS, and EWC standards.

Free Sample Availability: Free samples provided worldwide, customer pays courier cost.

Company profile

Shanghai Sunnyda Industry Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-08-20Nearest Port: ShanghaiAverage Response Time: ≤1.24hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CIF, DDP

AI-Powered supplier vetting

SummaryShanghai Sunnyda Industry Co., Ltd. is a China-based trading company and manufacturer/factory focused on construction and decoration products, including prefab houses, steel structures, sandwich panels, trailer houses, and related container products. The supplier reports five production lines, 31–40 quality-control staff, 6–10 years of R&D engineer experience, and ISO 14001, ISO 9001, ISO 20000, and ISO 14064 certifications. It states more than ten years of experience in relevant product manufacturing and offers customized products. Export activity is substantial, with 71%–90% of sales reportedly from exports and exporting beginning in 2018. Evidence of 24/7 availability supports after-sales responsiveness, but the provided information does not establish financial strength or detailed customer references.

Supplier typeThe supplier is identified as both a trading company and a manufacturer/factory, with construction and decoration as its commercial focus. Its listed products and manufacturing description indicate involvement in prefab houses, steel structures, sandwich panels, and related container products.

CertificationsThe supplier reports ISO 14001, ISO 9001, ISO 20000, and ISO 14064 management-system certifications. These stated certifications provide explicit evidence of formal management-system credentials.

After-Sales capabilityThe supplier states that it is available 24/7 and emphasizes taking care of products and serving customer needs. This supports stated service responsiveness, although detailed warranty, maintenance, or complaint-resolution procedures are not provided.

R&D capabilityThe supplier reports professional technical teams, automatic production lines, and 6–10 years of total R&D engineer experience. These details support technical and development capability, but no specific patented products, new-product results, or documented innovation outcomes are provided.

Production capacityThe supplier describes itself as a professional manufacturing factory, reports five production lines and 31–40 quality-control staff, and states more than ten years of experience producing trailer toilets, container houses, and panels. These are explicit indicators of established production capability.

Customization capabilityThe supplier explicitly states that its houses are customized and that it can make changes according to special requirements. This directly supports product customization capability.

Client casesThe trade record identifies Mexico as an import destination and lists one associated buyer, DCS IMPORTS & EXPORTS SA DE CV, with eight trade transactions recorded. This provides limited transaction-based customer evidence, but not a broad portfolio of verified customer cases or project references.