Zhengxi Railway is one of the 10 special lines in China's medium and long-term railway planning

Zhengxi Passenger Dedicated Line is a section of the 10 passenger dedicated lines in China's medium and long-term railway planning, Xulan Passenger Dedicated Line (Xuzhou-Zhengzhou-Xi'an-Baoji-Lanzhou)*8981, which crosses the mountainous areas of western Henan and the Weihe River impact plain, leans on the Qinling Mountains in the south and the Yellow River in the north. Beijing Sany Heavy Machinery Co., Ltd. is one of the pile foundation equipment manufacturers in the construction of Zhengxi high-speed railway in China, which has solved the technical problems of construction technology in collapsible loess area in the construction process, and created a magnificent scene of 36 SR series products on this special line at the same time, which is spectacular, and has made an indelible achievement for the successful completion of the foundation project of Zhengxi passenger dedicated line.