It is not some thing new to see Uponor as one of the biggest participants in ISH in Frankfurt. In the 1000 sq. meters booth of Uponor, 200 people are serving the visitors. This company, as usual, has the biggest booth in Hall:6, where the most well known pipe producers are located. Three visitors from NBN company participated in this event; Mr. Khosravani as the manager of NBN co., Mr. Naraghizadeh as the distributor of Uponor products in Central Tehran, and Mr. Moayeri as the technical engineer of NBN co.