Zhenjiang Greatwall Microtunnel Equipment Science & Technology Co., Ltd.  

Zhenjiang Greatwall Microtunnel Equipment Science & Technology Co., Ltd specializes in the manufacturing of the underground pipe jacking equipment more than 20 years. Products main include NPD series slurry balance pipe jacking machine, TPD series earth pressure balance pipe jacking machine, JD series rectangular pipe jacking machine, YD series rock pipe jacking machine, mini tunneling boring machine, which have already exported to most of the southeast Asia countries like India, Malaysia, Thailand, Viet Nam, etc. Welcome to visit us!