Estate-ready documents
Calculations, drawings and material certificates in the format estate engineers expect.

Industrial estates
Rayong · IEAT joint-venture estate
WHA Eastern Industrial Estate (Map Ta Phut) is located in Rayong, operated by WHA Industrial Development PCL (ieat joint-venture estate). Typical tenants work in petrochemicals, chemicals & plastics.
World Steel designs, fabricates and delivers steel structures for factories and warehouses in WHA Eastern Industrial Estate (Map Ta Phut) – CIF to Map Ta Phut Port or DDP to your plot, with the documents the estate needs for building approval.
PetrochemicalsChemicals & plastics
For estate tenants
Calculations, drawings and material certificates in the format estate engineers expect.
Fabrication slot booked at order, delivery date fixed in the contract.
Crane runways, mezzanines, utility racks and roof loads for process equipment.
Customs, duties and trucking handled – steel arrives sorted by erection sequence.
Customers we serve

Chinese, Japanese, Taiwanese and Korean manufacturers – EV, electronics, auto parts, chemicals – building a new plant in the EEC or a BOI zone.
See how we help
Family-owned and mid-size Thai companies expanding a factory, adding a warehouse or moving into an industrial estate.
See how we help
Main contractors and EPC companies who buy the steel package – design, fabrication and delivery – and erect it with their own teams.
See how we helpIndustrial estates
Estate list compiled from public IEAT and operator information. Names, operators and areas change – please confirm details with the estate operator. Missing an estate? Tell us and we will add it.
Structural design, fabrication, fire protection and CIF or DDP delivery in one quotation. Answer within 48 hours.