• Oversee quality control from coal processing to final sales, ensuring compliance with specifications.• Manage laboratory teams, ensuring compliance with ISO 17025:2017 standards and safety protocols.• Successfully reduced testing turnaround time through the implementation of ISO 17025:2017 digitalization, achieving a Six Sigma level of 5.• Ensure all data is reported accurately and maintain high standards across lab operations to support good decision-making.

• Supervised all lab activities, including sampling, preparation, analysis, and reporting.• Implementing laboratory quality assurance (Verification, control chart, CRM, etc).• Monitoring laboratory equipment (Calibration, stock-taking, maintenance, etc).• Achieved zero quality penalty from buyers by reducing 6% outlier of ash content.• Identify issues in efficiency and continuous improvements using several methode such as QCC, Design Thinking, and Corporate Culture.

- Coal Quality Testing: Conduct thorough analysis of coal from mine to port, ensuring compliance with ISO standards.- General Analysis: Perform tests on ash content, sulfur, calorific value, volatile matter, and other key quality indicators.- Coking Coal Expertise: Specialize in coking coal analysis, including maximum fluidity, CSR (Coke Strength after Reaction), and crucible swelling number.- Innovation in Testing: Introduce advanced testing methodologies to enhance the accuracy of results.- Quality Assurance: Ensure that all test results meet stringent quality assurance standards before reporting.

- Environmental Monitoring: Responsible for daily and annual environmental monitoring, ensuring compliance with environmental regulations.- Air & Water Quality Analysis: Conducted comprehensive air and water quality analyses to maintain environmental standards.- Regulatory Compliance: Assisted in ensuring adherence to environmental laws and regulations.- Reporting & Documentation: Prepared detailed reports on environmental data and trends.

- Research Project: Conducted research on the "Optimization of Solid-State Modulator Conditions for Comprehensive Two-Dimensional Gas Chromatography with Time-of-Flight Mass Spectrometry."- Instrumental Analysis: Performed detailed analysis using various advanced instruments, including GC-MS and HPLC, on diverse sample types.

- Laboratory Work: Conducted testing on various commodity samples using advanced instruments like AAS, Spectrophotometry, Kjeldahl, and Soxhlet apparatus.- Primary Research Project: Focused on comparing zinc levels in wheat flour using both dry and wet methods.- Technical Proficiency: Gained hands-on experience with a variety of proximate analysis tools and techniques.