Changsha Drilling Machinery CO., LTD

Contact Us

Name: Perry Tan
Tel: 0086-731-84077805
Fax: 0086-731-84072772
E-mail: csdrillingtools@vip.126.com
E-mail: info@csdrillingtools.com
Add: 5# Panpan road, economic development zone, Changsha, Hunan, China. Zip 410100
Skype: csdrillingtools
QQ: 2522716948
Skype: csdrillingtools QQ: 2522716948 csdrillingtools@vip.126.com info@csdrillingtools.com

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Our 275mm Electroplated Diamond Core Bit, concrete core, max length 13.18m

Our 275mm Electroplated Diamond Core Bit, concrete core, max length 13.18m

1):Luo Gu hydropower station, located on Xixi river, Si Chuang Province, China

2): 275mm Electroplated Diamond Core Bit

3): concrete core