ODM/OEM Long-Lasting Reliable Drilling Tool API Standard Hydraulic Drilling Jar. Dual Cylinder Bidirectional Design: Integrates upper and lower strikes with a dual cylinder bidirectional cone structure for stable delay and reliable performance. Continuous Bumper Force Adjustment: Allows operators to freely adjust the magnitude of shock force within the allowable range without torque or external adjustment. High Reliability with Redundancy: If one hydraulic cylinder fails, the other continues to operate normally, ensuring uninterrupted downhole operations. Optimized Slip for Extended Life: Features an optimized slip design that significantly improves the working life of the tool. Versatile Downhole Applications: Widely used in drilling, coring, salvage, and well repair operations with simple operation and convenience. Advanced Foreign Technology: Designed and produced using advanced foreign technology to effectively release stuck downhole drilling tools. API and ISO Certified: Holds API and ISO certifications ensuring compliance with international petroleum equipment standards. Alloy Material Construction: Manufactured using high-quality alloy materials with CNC milling and spray-paint surface treatment for durability.