Gold Index: 1187
Hunan New Diamond Construction Co., Ltd. [China (Mainland)]
Business Type:Manufacturer, Trading Company City: Yueyang Province/State: Hunan Country/Region: China (Mainland)
Eccentric/symmmetric overburden drilling systems/ODEX casing systems
NOD90,NOD115,NOD140,NOD240,NOD280,NOD190
1. 10 years manufacturing experience;2. Certificate: ISO9001:20083. Material: Carbide
2017-12-19
Cir shank hydraulic low air pressure down the hole DTH hammers bits
CIR80,CIR90,CIR110,CIR150,CIR170,CIR200
Carbide button shape selection:1. Domed/Round Button2. Parabolic/Semi-Ballistic Buttons3. Ballistic Button4. Sharp Button...
Qualified 8 inch Carbide Button Rock Drilling/Breaking DTH Bits
DHD380,SD8,QL80,Mission80
2014-03-11
DHD360 SD6 QL60 Mission60 DTH Drilling Bit
DHD360
6 Inch DTH bit:1.10 years manufacturing experience2.Certificate: ISO9001:2008