On 03.26.2012, joined the International Tube & Pipe Trade Fair, Dusseldorf, <st1:country-region w:st="on">Germany,. This is a large scale fair and on top of industry. In the 5 days fair, it had lots famous companies delegate came to TZCE’s booth to find chance for technical exchange and cooperation. During the fair, TZCE signed a strategic cooperation agreement with China Steel Corp.