适用行业
建材店, 生产车间, 农场, 零售业, 文印店, Other
Advantage
High Performance
IADC Codes
637 (provide 411 to 837 iadc code)
formation
such as clay,mudstone,chalk,etc.
Application
well drilling (mining, water well drilling,oil .etc)
Quality assurance
4 years
Type of shipping
Sea transportation(Priority),air transportation
Bearing characteristics
silvering