ZhongSai provides structural steel detailing and shop drawing support for fabrication projects, helping convert design information into practical manufacturing and erection documentation. Detailing is connected directly to fabrication — the drawings we produce are the exact drawings we manufacture from. Engineering Drawings → Detailing → Shop Drawings → BOM → Fabrication → Export. One supplier, zero handoff gaps.
Engineering drawings define structural intent. Fabrication requires detailed manufacturing information.
Structural engineering drawings typically define: overall building geometry, member sizes and grades, design loads, applicable design standards, connection concepts, and general arrangement. These drawings communicate the design intent but are generally not detailed enough for direct fabrication in a steel workshop.
Fabrication requires much more detailed information: exact member dimensions, hole locations and diameters, weld sizes and procedures, bolt specifications, cutting lengths, assembly sequences, member marking, and surface treatment requirements. Detailing translates design requirements into fabrication-ready information that the workshop can use directly.
Important: ZhongSai provides detailing services connected to fabrication. We do not provide structural design or engineering certification, and we are not responsible for local structural approval in your country. We convert your approved engineering design drawings into fabrication and erection documentation. If you need structural design, please consult a licensed structural engineer in your project jurisdiction.
From engineering drawings to fabrication-ready documentation.
Receive approved structural design drawings, architectural drawings, connection schedules and project standards.
Review drawings for fabrication feasibility, identify missing information, clarify design intent with project team.
Create 3D structural model with all members, connections, dimensions and project-specific requirements.
Detail each individual member: exact dimensions, cuts, holes, welds, stiffeners, end preparations.
Develop detailed connection designs: bolted connections, welded connections, moment connections, shear connections.
Generate complete bill of materials: member schedules, bolt schedules, material quantities, weights, surface treatment.
Produce fabrication shop drawings: assembly drawings, single-part drawings, member details, cutting lists.
Manage design changes with structured revision control, update affected drawings, issue revision transmittals.
Approved shop drawings go directly to our fabrication shop — zero handoff, zero interpretation gap.
Complete fabrication and erection documentation for your project.
Complete assembly drawings showing how individual components fit together, with member marks and connection references.
Individual component drawings with exact dimensions, hole patterns, weld details, material specs and surface treatment.
Detailed member drawings showing cuts, notches, stiffeners, end preparations, and all fabrication-specific information.
Detailed connection design drawings: bolted, welded, moment, shear, base plate, and splice connections.
Complete bolt schedules: bolt grades, diameters, quantities, tightening requirements, and bolt hole specifications.
Welding procedure specifications: weld sizes, weld types, welding positions, inspection requirements, welder qualifications.
Unique member numbering system cross-referenced to erection drawings for on-site identification and assembly.
Complete erection drawings: general arrangement, framing plans, anchor bolt layouts, assembly sequences, member location plans.
Structured revision tracking: revision numbers, dates, change descriptions, affected drawing lists, transmittal records.
Deliverables are tailored to each project's requirements. Specific drawing sets are confirmed during the technical review phase based on your project needs and design documentation completeness.
The most important advantage of working with a manufacturer that also supports detailing.
One major advantage of working with a manufacturer that also supports detailing is that drawing information can be coordinated directly with fabrication requirements. Independent detailing offices produce drawings and hand them off to a separate fabricator — often resulting in drawing revisions because the details are not practical to manufacture, communication delays, and quality gaps between what was detailed and what was built.
At ZhongSai, the shop drawings we produce are the exact drawings we manufacture from. Our detailing team works alongside our fabrication engineers, welders and QC inspectors. Every detail is verified for manufacturability before it is issued. This means: fewer drawing revisions, faster fabrication turnaround, consistent quality, single-point accountability, and a seamless transition from drawing to delivered component.
For an accurate detailing scope and efficient project execution.
General arrangement, framing plans, member schedules
If relevant for building envelope coordination
Design code, specification, connection requirements
Connection design if available, or connection concepts
Bill of quantities or material schedule if available
Country and project destination
Addenda, change orders, revision history
DWG, DXF, PDF, IFC accepted
We can detail and fabricate according to applicable project standards.
| Standard | Application | Note |
|---|---|---|
| GB 50017 | Chinese standard for design of steel structures | Commonly used for domestic and many export projects |
| ASTM / AISC 360 | American standard for structural steel buildings | Widely used for North American and international projects |
| EN 1993 (Eurocode 3) | European standard for design of steel structures | Used for European and many African / Middle Eastern projects |
| AS 4100 | Australian standard for steel structures | Used for Australian and Oceania projects |
Important distinction: "Can detail and fabricate according to applicable project standards" means we can produce drawings and manufacture components that comply with the specified standard's requirements. This is different from holding third-party certification (such as AISC certification, CE marking, or AWS certification). We do not claim certifications we do not hold. If your project requires specific third-party certification, please confirm with our team during the quotation phase.
Professional structural detailing and drawing coordination tools.
Our detailing team uses professional structural steel detailing and drawing coordination tools to produce accurate, fabrication-ready shop drawings. Capabilities include: 3D structural modeling, member-by-member detailing, connection design development, material list generation, shop drawing production, erection drawing production, and revision management.
We accept and work with common CAD and BIM formats including DWG, DXF, PDF and IFC. We can import design models and produce detailed fabrication models. Output drawings are provided in PDF and DWG formats as required for your project team and fabrication shop use.
FACT CHECK: Specific software names (such as Tekla Structures, AutoCAD, Revit, or other detailing software) should be confirmed with our detailing team. We have listed capabilities rather than specific software names to avoid claiming tools that may not be in active use. Please contact us for current software and tooling information.
Common questions about structural steel detailing and shop drawing services.
Structural steel detailing is the process of converting engineering design drawings into detailed fabrication and erection documentation. It includes creating 3D structural models, member-by-member detailing, connection design details, material lists (BOM), shop drawings for individual components, assembly drawings, and erection drawings for on-site installation. Steel detailing bridges the gap between the structural engineer's design intent and the fabricator's manufacturing requirements. At ZhongSai, detailing is connected directly to fabrication — the drawings we produce are the exact drawings we manufacture from.
Design drawings (engineering drawings) define the structural intent: overall geometry, member sizes, loads, design standards, and connection concepts. They are created by the structural engineer and are typically not detailed enough for direct fabrication. Shop drawings (fabrication drawings) are detailed manufacturing documents: they show exact dimensions, hole locations and diameters, weld details, bolt specifications, member marks, cutting lists, and assembly sequences for each individual component. Shop drawings are what the fabricator uses to cut, drill, weld and assemble the steel. ZhongSai converts your engineering design drawings into fabrication-ready shop drawings.
Yes. If you have engineering design drawings (structural drawings, architectural drawings, connection schedules), our detailing team can convert them into fabrication-ready shop drawings. We review your design drawings for fabrication feasibility, create 3D structural models, detail each member, develop connection details, produce material lists (BOM), and generate shop drawings and erection drawings. All drawings are coordinated with our fabrication requirements, ensuring that what is detailed can be efficiently manufactured in our factory. If you already have complete shop drawings, we can fabricate directly from them.
Yes — this is our core advantage. Unlike independent detailing offices that produce drawings and hand them off, ZhongSai's detailing team works directly with our fabrication shop. The shop drawings we produce are the exact drawings we manufacture from. This eliminates the common gap between detailing and fabrication where drawings need revision because they are not practical to manufacture. Detailing and fabrication under one roof means faster turnaround, fewer drawing revisions, consistent quality, and single-point accountability. After detailing, we can fabricate, pack and export the steel — a complete one-supplier solution.
For structural steel detailing, we typically need: structural design drawings (general arrangement, framing plans, member schedules), architectural drawings if relevant (for building envelope coordination), project design standard or code requirements, connection requirements or connection design if available, BOQ or material schedule if available, project country and destination, and any revision information or addenda. The more complete your design documentation, the faster and more accurate our detailing will be. We accept DWG, DXF, PDF and IFC formats. If you have partial drawings or design-level information only, we can work with you to develop the required detailing level.
Yes. We provide complete erection drawings as part of our detailing deliverables, including: general arrangement drawings showing overall building layout, framing plans for each level, member location plans, anchor bolt layout drawings, assembly sequence drawings, connection details at each joint, bolt schedules, and member mark schedules. These drawings guide your local installation team through the entire erection process. Each component is marked with a unique member number corresponding to the erection drawings. We also provide installation manuals and remote technical support during erection.
Revisions are managed through a structured revision control process. When design changes occur, we update the 3D model, affected member details, connection details, material lists, shop drawings and erection drawings. Each revision is documented with revision numbers, dates, and descriptions of changes. We issue revision transmittals listing all affected drawings. Components already fabricated are flagged to assess impact. We coordinate closely with your project team to minimize disruption from design changes. Clear revision tracking ensures your fabrication and erection teams always work with the latest approved drawings.
Yes. This is the primary advantage of working with ZhongSai — we provide detailing connected directly to fabrication. After detailing is complete and drawings are approved, we can fabricate the steel in our own factory using the exact shop drawings we produced. We handle the complete process: detailing → fabrication → quality control → component marking → packing → container loading → export documentation → shipping coordination → installation technical guidance. One supplier manages the entire chain, eliminating communication gaps, reducing revision cycles, and ensuring consistent quality from drawing to delivered component.
ZhongSai Steel Structure is a China-based steel structure manufacturer and export supplier that also provides structural steel detailing services connected to fabrication.
We provide: structural steel detailing, shop drawing production, BOM generation, erection drawing production, and revision coordination — connected directly to our fabrication shop.
We are NOT a structural design firm, engineering certification body, or local structural approval authority. We do not provide structural design or engineering certification. We convert your approved engineering design drawings into fabrication and erection documentation. We are not a local general contractor or EPC contractor in your country.
Send your structural design drawings, connection schedules and project standards. Our detailing team will review and provide a detailing scope and quotation connected to fabrication.
Send Engineering Drawings →Get the complete one-supplier solution: detailing → shop drawings → fabrication → QC → packing → export. Zero handoff gaps, single point of accountability.
Get Detailing + Fabrication Quote →Prefer to talk directly? Contact our engineering team:
