Company Profitability and Market Share

Accelerate Technology R&D Leapfrog Development www.cosl.com.cn COSL COSL's application of technologies Introduced proprietary ELIS logging system into domestic and overseas markets Established the first joint laboratory Introduced cementing services to Xinjiang ⚫ Proprietary "Bohai low-density-high-strength well cementing technology widely applied Integrated Innovation Market- Talent oriented oriented COSL's technology-driven strategy 26 Low-Density, Conventional Cement High-Strength Cement

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