높은 성능의 정사각형 켈리 육각형

4 드릴 스트링
July 30, 2025
Keyword: 스핀 들
Video Description:
Discover the High Performance Square Kelly Hexagonal for Drilling and Weight Bearing, a core power transmission equipment in oil drilling operations. Designed for efficient torque and axial pressure transmission, this product ensures smooth drilling in land, sea, and complex formations.