Tianjin Daqiang Steel Co., Ltd. , founded in 1992, covering 260000 square meters and having 1000 staff and workers, is a big private owned company that is registered with 48000000RMB.Now the assets reach to 600000000RMB and thereinto 260000000RMB is fixed assets. Lead by the managing policy "self-accumulated, being pragmatic and innovative", after over ten years hard work, the company has developed as a good-sized enterprise that can produce spring flat steel, rolled strip steel, Cultivator Steel, low oxygenation copper wire rod and low relaxation prestressed concrete steel strand and so on. Our company has strong technological basis. There are now 12 senior specialized technicians, secondary specialized technicians, 120 primary specialized technicians. Our company has been paying much attention to the development of prestressing products. We have taken part in many social technical association to devote ourselves to the production and promotion of the prestressing products and the development of new products. At present we can manufacture more than 10 types of products according to the G/B5224-2003 and ASTM A416, such as 1*7-15.24,1*7-12.7,1*7-17.8,1*7-21.6 and so on. We produce 120000 ton steel strands in 2008. The products are sold to over 30 provinces, cities and municipal districts and widely used in the field of large-scaled bridge, high building, and concrete products, such as the International Conference Center of Beijing Olympic Gymnastic Center, Beijing Wanda Plaza, Baoding Book & CAI Building, Ningbo Storage Battery Co., Ltd. project, Tianjin Meijiangnan Haiyichangzhou Uptown, Tonghuang Freeway Bridge project, Pengshui Waterpower Station, Beijing Shidai Olympic Town, Gezhouba Yunnan Nuozhadu Power Station, District A of Tianyuan Port International Conference Center, the new built road to Beijing and many other state key projects.