• High/low wind pressure down-the-hole drill bit
• Cutting pick
• Cold pressing button bit
• Down-the-hole drill bit
• Bull bit/ cross drill

Contact: Zhang Jianping
Tel: +86-713-6234833
Mobile: +86-13971717493
Fax: +86-713-6237788
E-mail: zhangjp75101@sina.com
URL: http://www.hlsqj.com