The piling construction of New East Station of Zhengzhou started from January 8th, 2010. After the construction starts, lots of machinery enter the building site.
In less than one month, more than 40 units of rotary drilling rigs appear in New East Station of Zhengzhou. What deserves to be mentioned the most is that there are 16 units of Yutong rotary drilling rigs in them by now.
With high efficiency and reliable quality, YTR230 and YTR180 are praised highly on the site.
