Welcome: Henan Starockdrill Equipment Co., Ltd
QL40 DTH BITS Diameter from 102mm to 160mm
QL50 DTH BITS Diameter from 135mm to 203mm
QL60 DTH BITS Diameter from 152mm to 265mm
QL80 DTH BITS Diameter from 195mm to 380mm
95% compared with Sandvik original bits
Supply OEM services
Tel：+86 18039347362
Fax ：+86-393 6210082
Mobile：+86-15910895290
E-mail: info@starockdrill.com
Skype: starockdrill
Whatsapp: +86 15910895290
