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Zhengtie Sanjia Co., Ltd, held the groundbreaking ceremony of pretensioning slabs and high-speed railway switches in its factory in Ruzhou on April 26, 2011.
Zhengtie Sanjia Co.Ltd has put its faith and future in the hands of technology. The double two-way pretensioning slab, a new type of railway slab, has been researched and developed by the Zhengtie Sanjia Company since 2002. With the help of the pretensioning slab and high-speed railway switches, Chinese high-speed railway technology has surpassed that of German and Japan.
The pretensioning slab and high-speed railway switch play an important role in the economic restructuring and development of Ruzhou and the construction of Chinese high-speed railways.
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