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Promostar is the leader company and the first one to introduce the stretching process, the technology that was developed in the 90’s as a new process for the production of anti-seismic reinforcing products.

The process is used nowadays all over the world to produce the high ductility reinforcing materials in different formats, such as compact coils, bars, electrowelded meshes, lattice girders, stirrup, cages, etc. transforming the characteristics of the ribbed wire rod/rebar in coils through a cold process. The final product obtained by stretching process in the form of compact coils presents uniform characteristics and lower industrial costs compared to the hot rolled ones.


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Promostar Srl, is a company that has acquired decades of experience and professional technical capacity acknowledged in the wire production field; it operates as an active partner always on its customer’s side throughout the world. Promostar is able to supply turnkey plants, complete lines, machines and accessories for the production of concrete reinforcing wire (through stretching process or cold rolling) and thin steel wire (wire drawing process) for different industrial application.

The main objective of the company is the continuous research of solutions to meet all our customer’s needs through a constant research carried out by highly skilled staff and engaged in the following activities: project design, production and customer care.

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