1308 plane P
Core drill F
球形地质勘探PDC钻头
快速钻井小齿PDC钻头
半牙型高效混凝土取芯钻头
Matrix body
Flat type Di
PDC Roof Bol
non-coring p
pdc Drag dri
Guide Hole P
联系人：Mr. Jackson Chen
手机：+86 18574606855
电话：+86 746 8323309
邮箱：pearldrill02@guangzhouintl.com
地址： Shanhuxi Road, Chuangfacheng Plaza, Yongzhou City ,Hunan，China
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