Roller Bits
1.Low compressive strength and layered soft to medium formations
2.High compressive strength and abrasive thin interbedded medium to hard formation
3.High compressive strength and medium abrasive hard and compact ground
Hunan SMSCC Heavy Industry Co., ltd
Wechat: a18684941177
Mobile: +86 18684941177
Whatsapp: +86 18684941177
Email: smscc@smsccdrill.com
North of sanjiaotang Road, Miluo Industrial Park, Changsha Economic Development Zone, Changsha, Hunan, China
