Introduction
Manager's Speech
Corporate Culture
Development
Honors
Media Center
Ground Equipment
Downhole Tools
Protector
Drilling Series
Parts
Application Area
Solution
Cases
After-sale Service
Technical Support
Video
Industry Trends
Company News
Talent Concept
Recruitment
Working pressure: 12Mpa
Temperature level: -29 ~ 120 ℃
Product model: ZHT50, 65, 80
Product diameter: φ50, φ65, φ80
Use casing specifications: 2 3/8", 2 7/8", 3 1/2"
Operation mode: manual