1、 Core Product System

Standard steel series

Hot rolled H-beam:

Specification: HN150 × 75~HN1000 × 300 (GB/T 11263-2017)

texture of material: Q235B、Q355B、Q420C

Usage: Industrial plant main frame, bridge main beam, high-rise building lateral force resistant component

I-beam (I-beam):

Specification: 10 #~63 # (height 100~630mm)

Features: Economical beam and column, suitable for small and medium-sized warehouses and equipment supports

Cold formed thin-walled steel:

C-shaped steel (purlin): thickness 1.5-3.0mm, used for lightweight roof and wall support

Z-shaped steel (floor support plate keel): wave height 50-100mm, combined concrete floor bearing capacity ≥ 3kN/m ²

Special steel and components

Weathering steel (Q355NH):

Corrosion resistance: No red rust after salt spray test for ≥ 2000 hours, and can be used for 20 years without coating

Application: Coastal architecture, bridge guardrails, outdoor sculptures

High strength bolt connection pair:

Grade: 10.9S (tensile strength 1040MPa)

Type: Large hexagonal head, twist shear type, pre tension error ≤± 5%

Buckling restrained support (BRB):

Energy consumption capacity: capable of absorbing earthquake energy of over 300kJ

Design: Core steel plate+non bonded filling material, axial deformation ± 50mm

Large customized structure

Space grid structure:

Type: bolted ball joint, welded ball joint

Span: 50-200m (applicable to sports venues and terminals)

Box shaped column/steel reinforced concrete column:

Section: 600 × 600~2000 × 2000mm

Filling concrete strength: C40-C60， Axial compression ratio ≤ 0.75

Alien surface components:

Technology: 3D laser scanning+CNC bending, curvature accuracy ± 1mm/m

2、 Core technical capabilities

Digital Design and Analysis

BIM Collaborative Design:

Use Tekla Structures for 3D modeling, automatically generate machining drawings and material lists

Collision detection reduces construction rework rate by 30%

Structural simulation calculation:

Software: SAP2000、MIDAS/Gen

Analysis items: Seismic time history analysis (in accordance with GB 50011-2010), wind vibration comfort verification

Intelligent manufacturing process

Numerical Control Machining:

Laser cutting: 20mm thick steel plate cutting speed 3m/min, accuracy ± 0.2mm

Robot welding: 100% UT inspection of key welds, in compliance with AWS D1.1 standard

Anti corrosion treatment:

Hot dip galvanizing: Zinc layer thickness ≥ 85 μ m, service life 50 years (ISO 1461)

Fluorocarbon spraying: UV aging resistance ≥ 15 years, color difference Δ E ≤ 1.5

Seismic and Fire Protection Technology

Node Ductility Design:

RBS node (dog bone weakening): plastic angle ≥ 0.03rad

End plate bolt connection: slip coefficient ≥ 0.45

Fire protection:

Thick fireproof coating: 3-hour fire resistance limit (thickness 25mm, GB 14907)

Fireproof board coating: A1 grade non combustible material, deformed synchronously with the structure

3、 Full scenario application case

Super high-rise buildings

Project: A 350m landmark tower

Plan:

Core tube: Steel plate shear wall (thickness 25mm, Q390GJ)

Outer frame: Diamond grid giant column (Φ 1200 × 40mm steel tube concrete)

Effect: Shorten the construction period by 8 months compared to traditional concrete structures

Large span public facilities

Project: T3 Terminal of an International Airport

Plan:

Roof: Bidirectional orthogonal grid structure (span 180m, node bolt ball Φ 400)

Support: V-shaped steel pipe column (Φ 800 × 20, filled with C60 concrete)

Effect: Reduce steel usage by 15% and obtain LEED Gold certification

Industry and Energy

Project: Pipe gallery of a petrochemical base

Plan:

Main body: H-shaped steel frame+horizontal brace (Q355B, fire-resistant coating for 2 hours)

Node: Wing edge reinforced connection (FEMA 350 standard)

Effect: Wind resistance level increased to level 12, operation and maintenance costs reduced by 40%

4、 Full cycle service system

Pre consultation and design

Free provision of load calculation sheet and foundation reaction report

Customized solution: economical/high seismic resistance/quick assembly optional

Production and Logistics

Intelligent factory capacity: Processing 5000 tons of steel per month

Logistics support: specialized transport vehicle for heavy components (with a single load capacity of 50t)

Construction and Installation

Professional team: certified welders (AWS/CWI), crane operators

Technology:

3D total station positioning (accuracy ± 2mm)

Installation without scaffolding (tower crane+climbing platform)

Testing and maintenance

Acceptance criteria:

Verticality deviation ≤ H/1000 and ≤ 25mm (GB 50205-2020)

Coating thickness detection (90-10 rule, minimum value ≥ 85% nominal value)

Smart operation and maintenance:

Implantable sensors monitor stress and deformation

Provide a 10-year structural quality warranty

5、Quality certification system

6、 Collaborative Value Proposition

cost optimization

Standardized component library reduces design costs by 20%

Factory prefabrication reduces on-site working hours by 50%

Risk Management

Professional team purchases all risk insurance for engineering projects (coverage amount ≥ 100 million yuan)

7 × 24-hour technical response, fault handling ≤ 48 hours

sustainable development

CO2 reduction of 1.2 tons per ton of steel structure (compared to concrete structure)

100% recycling of steel from demolished old buildings

conclusion

We provide a full industry chain steel structure solution from "design consulting" to "lifelong maintenance", with material science breakthroughs and digital technology integration as the core, to help customers achieve safe, efficient, and low-carbon building goals. Whether it's urban landmarks or industrial heavy equipment, we redefine the value benchmark of Steel Structure Engineering with millimeter level precision and a century long commitment to quality.

Contact

Mobile number: 13848510731

Landline number: 0471-6490861

Address: Inside the courtyard of the Outer Transport Company, diagonally opposite the government of Haoqinying Town, Xincheng District, Hohhot City, Inner Mongolia (National Highway 110)