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Name: Professional Steel Structure Building EPC Contractor & Construction Solution
Brand: ZSJH

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Professional Steel Structure Building EPC Contractor & Construction Solution

Professional Steel Structure Building EPC Contractor & Construction Solution

Service model: Design, procurement, fabrication and agreed site installation
Structure: Portal frame, multi-storey frame or truss system
Material: Q235B, Q355B, Q390 or approved project grades
Finish: Anti-corrosion painting or hot-dip galvanizing
Color: Specified RAL paint and roof/wall panel colors
Supply model: Custom project package with defined deliverables

Brand:
ZSJH


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Product Description

1 Overview

ZSJH provides integrated steel building support from engineering and material procurement to factory fabrication, delivery and agreed site installation. Owners can coordinate the steel frame, secondary members, enclosure and installation interfaces through one project team. The package is developed around building use, site conditions, loads, local requirements and the target programme, with the contracted scope clearly defined.

2 Benefits

Benefit	Value to the project
One project interface	Coordinate design, fabrication, purchased materials and site requirements through an agreed responsibility structure.
Coordinated procurement	Use approved quantities and specifications to align steel, panels and accessories, reducing mismatched purchases.
Factory preparation	Prepare numbered members, holes and connections before dispatch to support planned site assembly.
Project customization	Adjust frame layout, building dimensions, openings, coating and envelope to the approved design.
Documented quality	Link material, weld, dimensional and site checks with agreed release and handover documents.

3 Applications

Typical projects include workshops, logistics warehouses, exhibition halls, sports halls, offices, multi-storey buildings, aircraft hangars, poultry houses and storage sheds. Workshop schemes coordinate cranes and equipment; warehouses coordinate racking and loading doors; public buildings coordinate circulation and services. Bridges and high-rise buildings require a separate review of specialist design, execution and qualification requirements.

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4 Specifications

The following dimensions are reference selections for fabricated H members, not a universal building size or guaranteed production limit. Final sections, material thicknesses and member lengths follow the approved calculations, drawings, fabrication review and shipping plan.

Item	Configuration
H member dimensions	Reference length 4,000–15,000 mm; section depth 200–1,200 mm; web 6–32 mm; flange 6–40 mm.
Steel grades	Q235B/Q355B/Q390; suitable S275/S355 or ASTM A36/A572 Grade 50 when specified and available.
Primary members	Columns, rafters, floor beams and trusses; section type and reinforcement selected by structural design.
Secondary members	C/Z purlins, wall girts, eave members, ties and X/other designed bracing. C120–C320 can be reviewed as a reference purlin range.
Roof and wall	Profiled color steel sheets or sandwich panels; sheet options such as 0.5/0.6 mm require load/coating review; insulation core/thickness specified separately.
Connections	Ordinary or high-strength bolts, shop/site welds, base plates and designed anchor bolts within the supply scope.
Accessories	Aluminium-alloy windows, specified doors, gutters, downpipes, skylights and ventilators as listed.
Protection	Specified preparation and paint system or feasible hot-dip galvanizing; fire protection selected separately where required.

5 ZSJH Strength

ZSJH combines engineering/detailing support, steel fabrication, procurement coordination, quality inspection and export delivery. Qualification materials displayed by the company include AISC, TÜV welding-related, ISO 9001, CE and EN ISO 3834 documents, subject to current holder, validity and scope. Material certificates, weld/dimensional reports and coating records can be included in the project quality package; independent inspection can be arranged.

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