ZDY Hydraulic tunnel drilling in coal mine
The drill is mainly used in the coal mine drilling gas drainage(drain) hole,grouting fire hole, coal seam water injection hole, outburst prevention pres…
ZDY Hydraulic tunnel drilling in coal mine
The drill is mainly used in the coal mine drilling gas drainage(drain) hole,grouting fire hole, coal seam water injection hole, outburst prevention pres…
ZDY Hydraulic tunnel drilling in coal mine
The drill is mainly used in the coal mine drilling gas drainage(drain) hole,grouting fire hole, coal seam water injection hole, outburst prevention pres…
ZDY Hydraulic tunnel drilling in coal mine
The drill is mainly used in the coal mine drilling gas drainage(drain) hole,grouting fire hole, coal seam water injection hole, outburst prevention pres…
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea