- Handled claim management of Waste Paper Import (OCC/Old Corrugated Container) within SAP Portal, increasing the settlement rate by 31%. - Conducted lab research by analyzing paper raw materials and products, as well as analysis feedback of customer complaints, resulting in a 26% increase in total annual reports. - Supported packaging paper products certifications process (such as : Food contact BfR Isega, HALAL, Intertek, FDA China). - Participated in Lean Six Sigma Project "Increasing Filler Content of Paper Machine 8 from 23.68% to 25.36%" with a potential saving cost of USD 144,000 in 2023.

- Was in charge of Quality Control at a Thai Agri Food multinational company, focusing particularly on UHT coconut milk, desiccated coconut, and VCO (Virgin Coconut Oil) production. - Assisted the Thai supervisors in checking and managing the quality control of incoming raw materials to extraction line process. - Helped prepare for external audits, such as BRC, ISO 9001, ISO 14001, HACCP, and HALAL. - Led the Quality Control team consisting of 12 members.

- Provided HYSYS tutorials to Chemical Engineering students of the 2017 class, with 120 participants. - Offered learning materials for the separation process course and conducted tutorials for the upcoming examinations. - Evaluated course assignments and examinations.

Trained under the Process Engineering department with the main responsibility to analyze the prilling process to solve quality issue of ammonium nitrate products.