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Steady, long-term demand
A fabrication plant working on projects across Asia-Pacific, the Americas and Europe all year round, with repeat orders for qualified suppliers.
Supplier network
Grow with World Steel – become a supplier
Our plant at Hai Son Industrial Park fabricates structural steel, pre-engineered buildings and steel products for clients in more than 30 countries. We are always looking for reliable suppliers and subcontractors who meet export-grade quality.
Register as a supplierWhat we buy
- ≈ 40,000 t
- fabrication capacity a year
- 30+
- export countries
- 11
- product groups we source
- IAS AC472 · AS/NZS 5131 CC3
- certified fabrication
Partnership
Why supply World Steel
Clear specifications
Every request names the standard, grade, coating, quantity and delivery schedule – so you quote once, accurately.
Export-grade partners
Our clients audit our supply chain. Certified, traceable products help you win work in demanding markets together with us.
Fair, documented process
Prequalification, approved vendor list and annual performance review – the same rules for every supplier.
Sourcing
What we buy
Product groups World Steel sources regularly. Select the groups you supply in the registration form.
Steel plate, sections & hollow sections
- Plate 6–100 mm for built-up members, base plates and connections
- Hot-rolled sections – W, HEA / HEB, IPE, UB / UC, channels, angles
- Hollow sections – CHS, RHS, SHS; pipes for handrails and trusses
Requirements
- Grades ASTM A36 / A572 Gr.50 / A992, EN 10025 S275–S355 (JR / J0 / J2), AS/NZS 3678 / 3679.1 Gr.300–350, JIS SS400 / SM490, GB Q235 / Q355
- Mill certificates EN 10204 3.1, heat numbers marked on every piece
Coil for cold-formed & built-up products
- Hot-rolled coil and slit strip for welded beams and columns
- Galvanized coil (Z275 / G90, G450–G550) for C / Z purlins and girts
- Zinc-aluminium and colour-coated coil for roofing and cladding
Requirements
- Coating mass and yield strength certified per coil; AS 1397, ASTM A653 / A792 or JIS G3302 / G3321
Bolts, anchor bolts & fasteners
- High-strength structural bolts with nuts and washers
- Anchor bolts, threaded rods, shear studs and chemical anchors
- Self-drilling screws and rivets for sheeting
Requirements
- ASTM F3125 (A325 / A490), ISO 4014 / 4017 class 8.8 / 10.9, AS/NZS 1252, ASTM F1554 – black or hot-dip galvanized, with test certificates
Paint, coatings & galvanizing
- Zinc-rich and epoxy primers, epoxy intermediates, polyurethane topcoats
- Hot-dip galvanizing services
Requirements
- Paint systems qualified to ISO 12944, technical and safety data sheets, batch certificates; galvanizing to ISO 1461 / ASTM A123 / AS/NZS 4680
Fire protection products
- Intumescent coatings – thin-film water-based and solvent-based (cellulosic), epoxy (hydrocarbon and jet fire)
- Compatible primers, tie-coats and topcoats approved for the intumescent system
- Fire protection boards – calcium silicate, vermiculite, fire-rated gypsum (Type X / F), stone wool fire slabs
- Sprayed fire-resistive materials (cementitious, vermiculite)
- Fire stopping – sealants, pipe collars and wraps, compounds, putty pads, curtain-wall fire stops
Requirements
- Approval for the project market: EN 13381-8 / ETA (CE), UL 263 / UL 1709 listings, BS 476-20/21 assessments or Certifire, AS 1530.4 / AS 4100 assessments, Singapore Certificate of Conformity (SCDF Product Listing Scheme)
- Approved loading (DFT) tables for each rating, section shape and critical temperature, with the certificate reference
- Technical and safety data sheets, batch certificates, shelf life; application guide and technical service support in Vietnam
Roofing, cladding & panels
- Colour-coated roof and wall sheeting, flashings and gutters
- Sandwich panels PU / PIR / rock wool, cold-room panels
- Skylights, ventilators, insulation and accessories
Requirements
- Base metal thickness, coating class and colour chart; fire and thermal test reports for panels
Welding consumables & gases
- SAW wire and flux, FCAW and solid wires, electrodes
- Shielding gases, abrasives (steel grit and shot)
Requirements
- AWS A5.17 / A5.18 / A5.20 / A5.29 or EN ISO equivalents, classification certificates
Bar, grating & access-product materials
- Flat bar and twisted square bar for steel grating
- Chequer plate, ladder rungs, handrail tube and fittings
Requirements
- Dimensional tolerance and grade certificates, stainless 304 / 316 where specified
Machinery, tools & spare parts
- Cutting, drilling, welding and shot-blasting equipment and spares
- Lifting gear, hand tools, measuring and testing instruments
Requirements
- After-sales service in Vietnam, calibration certificates for measuring equipment
Logistics & export packing
- Freight forwarding – container, flat rack, break-bulk and project cargo
- Trucking to ports and sites, customs brokerage
- Packing timber, steel skids and lashing materials
Requirements
- Export packing timber treated and marked to ISPM 15
Subcontracting & technical services
- Subcontract fabrication and steel erection crews
- NDT (UT, MT, PT), third-party inspection, coating inspection
- Detailing (Tekla), surveying and calibration services
Requirements
- Qualified welders and procedures, certified inspectors (e.g. ASNT / ISO 9712, NACE / FROSIO), HSE records
Process
How to become an approved supplier
- RegisterSend your company details, the product groups you supply and your company profile with the form below.
- PrequalificationOur procurement team reviews your documents and may request certificates, test reports or references.
- EvaluationSamples, a trial order or a factory audit for critical materials and subcontracted work.
- Approved vendor listApproved suppliers receive our requests for quotation for their product groups.
- Annual reviewQuality, delivery, price and service are reviewed every year to keep the partnership strong.
What we look for
- Business registration and a valid tax code (or equivalent for overseas suppliers)
- Quality management system – ISO 9001 preferred; product certifications where relevant
- Traceable products with mill or test certificates for every delivery
- Reliable lead times, capacity and stock for repeat orders
- Compliance with safety, environmental and anti-corruption rules
Our own certifications: IAS AC472AS/NZS 5131 CC3EN 1090 EXC3 · CE
Supplier registration