TongHui has already formed the business systems of polyester engineering, computer engineering, equipment fabrication, speciality polyester, chemical fiber production and equipment Import/Export etc. And TongHui is also specialized in the R&D , new functional polyester products, engineering plastics etc.


  • Polyester Engineering Technical Services

TongHui owns the advanced semi-continuous and continuous polyester engineering technology in the world, the biggest capacity of semi-continuous line reaches to 100TPD, and the biggest capacity of continuous line reaches to 400TPD, all them can be applied with differential production technology for production of bright, semi-dull, CD, water soluble, high shrinkage, optical bright and film master chip etc;


  • Plant Automation Control Engineering & Services

Relying on the years’ experience of automation control engineering, TongHui can provide customers from various lines plant automation control systems, including DCS configuration, site instruments and wiring connections.


  • Equipments, Parts Fabrication & Export

Various of pressure vessels, non-standard equipments and parts fabricated has already passed through the real test of more than 100 project built by TongHui; The quality is excellent, performance is premium, Huifeng can also fabricate various of equipment in accordance with clients’ requirements.


  • High-tech Functional Polyester and Fiber Production & trading

TongHui Fiber Material Institute is specialized in new product R&D from process view and gains brilliant achievements, it has successfully developed various of high value polyester resin and fiber products like normal pressure CD, flame retardant, water soluble and optical bright etc, all have been produced in quantity with nice response from clients.

Sole Agent:

We are proud to be the sole agent of TongHui Engineering in Iran Territory.

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