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"Craftsmanship and Ingenuity, Shaping the Splendor of the Times | Tribute to Every Hardworking Worker by Jiejie West"
JJC Receives Industry's First "Iron Roughneck" Type Approval Certificate
Tripro® Intelligent Drilling Robot Cluster System Awarded First-of-its-Kind Major Technology Equipment Certification
Intelligent Drilling: JJC's Tech Innovations Shine at 4th Petroleum Equipment Tech Summit
Serving Dual 10,000-Meter Wells: Breakthroughs in Washpipe Technology
