High Quality of Water Well Drilling Equipment

=== Base Info ===

• Certification：CE, RoHS, ISO 9001:2000
• Standard：AISI, ASME, DIN
• Surface Treatment：Without Processing
• Manufacturing Process：Forging
• Material：Alloy Steel
• Material of Drill Bits：42CrMo
• D：2 or 3
• Color of Drill Bit：Golden, Yellow, Red, Blue, Green
• Transport Package：Wooden Case
• Specification：CIR, SD, QL, DHD
• Origin：China
• HS Code：8207199000

=== Description ===