| Brand Name | Great |
| Place of Origin | China |
| Model Number | 30“ |
Extremely soft ground to hard formations such as clay, mud stone, chalk, gypsum, rock salt, shale, limestone, sandstone, dolomite, marble and other hard sandwich complex formation.
Please contact：
TEL：8618232186601 ；8617340754111
whatsapp:8618232186601
8618031733007
E-mail：drillbits1@zkdrilling.com
great03@pdcbit.net
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