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Down-the-hole drill series

3.5 inch drill bit

4 inch drill bit

5 inch drill bit

6 inch drill bit

8 inch drill bit

Down-the-hole impactor series

DHD, QL, SD classic impactor series

A-type fast impactor series

B-type high frequency impactor series

C-type high-speed impactor series

D-type energy-saving impactor series

CIR low wind pressure impactor series

Follow tube drilling tool series

Eccentric tube drilling tool series

Concentric with tube drilling tool series

Slider and tube drilling tool series

Rock Drill Series

Top hammer drill series

Taper connection drill

Cluster type DTH hammer series

Positive cycle once to form a hole

Positive circulation double reaming type

Reverse circulation once to form a hole

Reverse circulation secondary reaming type

CONTACT US

Shandong zhongrui construction machinery co. LTD
Address : 3701 Zhuangjian Road, Kuiwen Economic Development Zone, Weifang City, Shandong Province, China
Zip code：261041
Phone：86-536-2288189　
Manager li：15005366588
URL：www.dahdi.cn
Email：15005366588@163.com

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Shandong zhongrui construction machinery co. LTD 魯ICP備10009119號-3

Address : 3701 Zhuangjian Road, Kuiwen Economic Development Zone, Weifang City, Shandong Province, China

Zip code：261041 Phone：86-536-2288189 Manager li：15005366588

Email：15005366588@163.com Technical support：企化網(wǎng)絡

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