How to trust quality without factory visits?

100% transparency. We provide Material Mill Certificates, NDT reports for welds, and live video inspections during production. We also welcome SGS, BV, or Intertek 3rd-party inspections.

Can you quote from a basic sketch?

Absolutely! Send your Length x Width x Height and usage. Our engineers will provide a FREE 3D Structural Layout and Itemized Quotation within 48 hours.

Heavy-Duty Q355b Steel Portal Frame for Crane Operations

Name: Heavy-Duty Q355b Steel Portal Frame for Crane Operations
Brand: QINGDAO HUAYUAN STEEL STRUCTURE CO., LTD.
SKU: 2294835065

Shandong, ChinaQINGDAO HUAYUAN STEEL STRUCTURE CO., LTD.

US$48.00

200-999 Square Meters

US$36.00

1,000-4,999 Square Meters

US$19.80

5,000+ Square Meters

Product specifications

Customization

Product profile

After-sales Service

Online Technical Support

Layers

Single-Layer

Usage

Dust-Proof Workshop, Electrostatic Workshop, Food And Chemical Industry, Heavy Industry, High-Voltage Power Plant, Research Facility, Specialized Workshop, Textile And Electronic Processing, Warehouse, Customization

Model NO.

HY-R

Steel Grade

Q355b and Q235B

Roof and Wall Material

PPGI Steel Sheet, or Sandwich Panel(EPS, Fiberglas

Gutter

Galvanized Steel Plate, or Stainless Steel

Downpipe

PVC Pipe, or Metal Pipe

Door

Sliding or Rolling Door

Window

Aluminum Alloy, or PVC Material

Sky Lighting Panel

for Natural Light During Day Time

Ventilation

Stainless Steel Ventilation

Overhead Crane

5 Tons to 20 Tons

Transport Package

Shipping Containers

Specification

Customization

Trademark

N/A

Origin

Shandong, China

HS Code

9406900090

Production Capacity

1800-2000 Tons Per Month

Key features

100% Tailored Design: Customized to local seismic, snow, and wind codes for optimal safety.

Zero On-Site Welding: Bolt-connected system ensures fast installation and eliminates welding risks.

Millimeter-Precision: Achieved via BIM/TEKLA design and automated production for perfect fit.

50+ Year Durability: High-grade hot-dip galvanization or marine-grade epoxy prevents rust.

15-20% Shipping Savings: Optimized nesting design reduces shipping space and costs significantly.

One-Stop Envelope Supply: Complete package including frame, panels, doors, windows, and ventilation.

Verified Quality Compliance: Includes mill certs, NDT tests, and third-party inspections (SGS/BV).

Free 3D Layout & Quote: Engineers provide free structural layout and itemized quote within 48 hours.

Company profile

Years of Export ExperienceFast DeliveryFull Customization3D Software Design

QINGDAO HUAYUAN STEEL STRUCTURE CO., LTD.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedExport Year: 10 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.99h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW

AI-Powered supplier vetting

SummaryQINGDAO HUAYUAN STEEL STRUCTURE CO., LTD. is a limited trading company in Qingdao, China, offering steel structure products. It is identified as a professional technical supplier and provides 3D design and multiple customization options. Export activity is substantial, with 90% of total sales reportedly coming from exports and approximately 10 years of export experience. However, the available evidence shows no in-stock capability, overseas warehouse, overseas showroom, overseas agents or branches, and no history of offline trade-show participation. Innovation evidence is weak: no new products were reported in the past year, and the supplier does not provide ODM, popular-brand OEM, or SDK services. Corrective-action and customer-complaint procedures are documented and followed, while quality assurance, raw-material traceability, manufacturing contracts, and some financial and safety information remain unverified. A TUV Rheinland audit is recorded, but the stated audit result is 0 and no certification...

Supplier typeThe supplier is a limited company based in Shinan District, Qingdao, and is classified as a trading company. Its primary and offered product scope is steel structure, while the business scope includes activities requiring approval where applicable.

After-Sales capabilityThe supplier lists equipment installation as an overseas service offering and has documented, followed procedures for corrective and preventive actions and customer complaints. Nevertheless, it has no overseas agents or branches, no overseas warehouse or showroom, and no in-stock service capability, limiting evidence of broad or rapid after-sales support.

R&D capabilityThe supplier is identified as a professional technical supplier and provides 3D software design services. However, it reported no new products in the past year and does not offer ODM, popular-brand OEM, or SDK services, indicating limited demonstrated product innovation.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides 3D software design services. These repeated entries provide clear evidence of broad customization capability.

Product Q&A

Q:Direct manufacturer or trading company?

We are a Direct Manufacturer founded in 2000 with a Class-One Qualification for steel structures. Bypass markups and work with a factory with CE/EN1090/ISO certs. Partner with a 26+ year leader with projects in 50+ countries.

Q:Local labor is expensive. Assembly risks?

We eliminate this. Using TEKLA/BIM, 50+ engineers ensure millimeter-precision. Systems are 100% Bolt-Connected with ZERO on-site welding. Ordinary workers assemble it fast using our 3D manual, slashing labor costs.

Q:Safe for extreme weather (hurricanes/earthquakes)?

Safety is our baseline. We customize designs based on local wind, snow, and seismic data, strictly meeting ASTM, Eurocode, or AU/NZS. We engineer structures to withstand 180km/h hurricanes and Grade-9 earthquakes.

Q:Rust prevention during freight or use?

We apply Hot-Dip Galvanization or multi-layer Marine Epoxy Paint based on your environment. Secure container loading with custom spacers prevents damage, ensuring pristine arrival and a 50+ year lifespan.

Q:How do you save us ocean freight costs?

We optimize packing using 3D software, nesting secondary members inside primary beams on custom pallets. This saves 15-20% in shipping space. Our Qingdao hub ensures highly competitive sea freight rates.