What wall and roof options are available?

Options include EPS, Rock wool, PU, or Glass wool sandwich panels, or single sheet panels. Thickness ranges from 50mm to 150mm for insulation.

How is quality control ensured?

We perform 100% dimension testing, ultrasonic welding inspection, and magnetic powder testing. Shot blasting reaches SA 2.5 grade with DFT >75UM.

What is the warranty policy?

Warranty terms are determined according to the specific project type and agreed upon during the contract phase.

Multi-Span Steel Structure Buildings/Modern Industrial Prefab Steel Structures

Name: Multi-Span Steel Structure Buildings/Modern Industrial Prefab Steel Structures
Brand: Qingdao Ruly Steel Engineering Co., Ltd
SKU: 1989713182

Shandong, ChinaQingdao Ruly Steel Engineering Co., Ltd

US$19.00-99.00

200 Square Meters

Product profile

Customization

Available

After-sales Service

Installation Guidance on Construction Site

Connection Form

Bolt Connection

Model NO.

RulyD0071

Construction Member

Steel Column&Steel Beam

Grade

Low-Alloy High-Tensile Structural Steel

Molding Method

Hot-Rolled Steel

Residential Wall Structure

Single Layer Cladding Sheet/Sandwich Panel

Standard

CE, Aisc, SGS, BV, ISO, GB,

Steel Type

H-Section Steel

Structure

Steel Structure

Raw Steel Material

Q235B, Q355b, ASTM A36

Shot Blasting Level

SA 2.5

Service Life

50 Years

Wall and Roof

Rock Wool

Surface Treatment

Painting

Features

Steel Buildings

Main Structure

Galvanized Light Structure

Usage

Steel Structure Warehouse

Drawing

CAD, Tekla, 3D Model, Pkpm, Bim

Installation

Engineer Guidance on Site

Fabrication

GB Standard

Application

Steel Workshop

Warranty

According to Project Type

Type

Portal Frame Structure

Type of Steel for Building Structure

High-Strength Steel

Transport Package

Seaworthy

Specification

Square meter

Trademark

Ruly Steel

Origin

China

HS Code

94069000

Production Capacity

20000 Square Meter Per Month

Key features

Fast Construction Speed: Lightweight design allows rapid completion and immediate operation, offering better economic benefits than concrete.

High-Quality Steel Materials: Uses Q235B/Q345B H-section steel with hot-dip galvanizing or painting for superior durability and corrosion resistance.

Professional On-Site Guidance: Engineers provide installation guidance on-site to ensure accurate assembly and structural integrity.

Certified Quality Control: ISO9001, SGS, ASTM certified with 100% dimension testing and ultrasonic welding inspection for safety.

Custom Design Services: Supports CAD, Tekla, and 3D model designs based on client architectural drawings for tailored solutions.

Large Production Capacity: Monthly capacity exceeds 1500 tons with a 35,000 sqm facility, ensuring timely delivery for large projects.

Versatile Application: Suitable for warehouses, workshops, logistics parks, and industrial buildings with customizable wall and roof panels.

Durable Surface Treatment: Shot blasting to SA 2.5 standard with high-quality paint or galvanizing ensures long service life and aesthetics.

Company profile

Qingdao Ruly Steel Engineering Co., Ltd

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤10.66h

AI-Powered supplier vetting

SummaryQingdao Ruly Steel Engineering Co., Ltd. is a China-based combined limited company established in 2019, with 63 employees and stated steel-structure productivity of 30,000 tons annually. It identifies as a professional technical supplier, provides 3D software design and multiple customization options, and has quality-control traceability, quality assurance, complaint-handling, and corrective-action procedures with records. Manufacturing contracts with associated subcontractors and in-stock capability are reported. However, no SDK is available, and no certification holdings or customer cases are explicitly provided. The supplier reports financial records for 2023–2025, but the slices do not provide sufficient information to assess financial credibility. Overseas support is limited: it reports no overseas warehouse, showroom, agents, branches, offline trade-show participation, or overseas-service countries.

Supplier typeThe supplier is identified as a combined limited company operating in China, with a stated business scope covering mechanical and electrical machinery repair, leasing, installation, and import/export activities. Its detailed offering includes manufacturing, service, quality control, and R&D capabilities.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, plus in-stock service capability and stated service quotation terms. Conversely, it reports no overseas warehouse, showroom, agent, branch, or overseas-service country, limiting evidence of geographically local after-sales support.

R&D capabilityThe supplier is explicitly identified as a professional technical supplier and provides 3D software design services with R&D-based customization. The absence of an available SDK is a stated limitation, but does not negate the documented design and R&D capability.

Production capacityThe supplier reports annual steel-structure productivity of 30,000 tons, valid manufacturing contracts with its factory and each associated subcontractor, and in-stock capability. Its stated business scope also includes equipment-related manufacturing/service activities, supporting a documented production base.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with 3D software design services. These statements directly support broad customization capability.

Product Q&A

Q:What materials are used for the steel structure?

The main structure uses Q235B or Q345B H-section steel. Columns and beams are treated with paint or hot-dip galvanizing. Purlins are Q235B/Q346B with hot-dip galvanizing.

Q:Can the design be customized?

Yes, we provide deepening design services based on your architectural drawings. We support CAD, Tekla, 3D models, and BIM for customized layouts.

Q:What is the installation process?

We provide engineer guidance on-site for installation. The structure uses bolt connections for assembly, ensuring fast construction and stability.

Q:What certifications does the product have?

Our products comply with CE, AISC, SGS, BV, ISO, and GB standards. We are ISO9001, ISO14001, and GB/T28001 certified with ASTM and SGS product certifications.

Q:What is the production capacity?

Our facility covers 35,000 square meters with a monthly production capacity of more than 1500 tons of steel structures.