86-18186993613
sales@superdrill.com.cn
Threaded cross bits or threaded X bits are usually used for very hard and abrasive rock formation,.
Contact: sales@superdrill.com.cn
Phone: 86-18186993613
Tel: 86-18186993613
Company: Hubei Superdrill Equipment Co.,Ltd
Add: Building 3, Rainbow road,No.188 ; wuhan ;Hubei province