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08
2026-09
Full-cycle technical service from concept to delivery. Engineering team available for delivery. Engineering team available for
2026-09-08
17
2026-06
Three production bases in Shandong and Tianjin, with 120+ advanced machining units. Certified to ISO and API specifications
Three production bases in Shandong and Tianjin, with 120+ advanced machining units. Certified to ISO and API specifications. A rigorous end-to-end quality system ensures precision and long-term reliability in every product.
2026-06-17
lt realizes strong hooking force and high pressure resistance sealing, and will not leak even in any harsh environment, and is suitable for various oil and water well working environments.
28
2022-07
The seal adopts a combination of static and dynamic sealing technology to connect the trapezoidal thread structure
2022-07-28