Phontang, B., Pimollukanakul, J., Gearam, T., Nithikarnjanatharn, J., Muparang, S. and Nutkhum, W. 2025. Production Improvement through Fixture Design: A Case Study of an Agricultural Machinery Parts Manufacturer. RMUTL Engineering Journal. 10, 2 (Dec. 2025), 10–21. DOI:https://doi.org/10.14456/rmutlengj.2025.10.