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High Strength Carbon Steel Square Tube for Construction and Frame Building Projects
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
AvailableType
Square TubeStandard
AISI, ASTM, DIN, JIS, GB, BSModel NO.
Square TubeComposition
Galvanized Steel,Aluminum,CarbonTechnique
Hot Rolled,Cold RolledShape
AnomalySurface Treatment
GalvanizedSpecial Use
Wear Resistant Steel, Free Cutting Steel, Mold SteelApplication
Construction and FrameworksMaterial
Carbon Steel, Galvanized Steel, Aluminum AlloyProject Solution Capability
Graphic Design, OthersThickness
1 - 20 mmProcessing Service
Welding, Punching, Cutting, BendingTransport Package
ShippingSpecification
ISOTrademark
SDOrigin
ShanghaiKey features
Custom Material Options: Available in Carbon Steel, Galvanized Steel, and Aluminum Alloy.
Flexible Thickness Range: Customizable thickness from 1 mm to 20 mm.
Comprehensive Processing Services: Includes welding, punching, cutting, and bending services.
Graphic Design Capability: Offers personalized design and project solution capabilities.
Multiple Certification Standards: Complies with ISO 9001, SGS, and EWC standards.
Rigorous Quality Inspection: All products undergo strict testing before packaging.
Secure Ocean Transport Packaging: Waterproof paper and fumigated wood pallets for corrosion protection.
Global Sample Availability: Free samples available worldwide, customer pays courier.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-08-20Nearest Port: ShanghaiAverage Response Time: ≤1.09hTerms 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.
Product Q&A
Q:Can you send us a sample?
A:
Of course, we can send samples all over the world, our samples are free, but the customer needs to bear the Courier costs
Q:What is a shipping port?
A:
Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can choose other portsaccording to your needs.
Q:About the price of the product?
A:
Prices vary from period to period due to cyclical changes in raw material prices
Q:What certifications do you have for your products?
A:
We have ls0 9001,SGS, EWC and other certifications.
Q:How long does your delivery time take?
A:
Usually, our delivery time is within 7-45 days, if the demand is very high, there may be delays or special circumstances
Send Inquiry
*To:
Shanghai Sunnyda Industry Co., Ltd.
Shanghai Sunnyda Industry Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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