Impact of Lean Manufacturing Practices on Operational and Business Performance: Evidence from Sri Lankan Food Industry

Lean is a strategy that aims to achieve smooth production flow by eliminating waste and hence helps manufacturing firms realize their time, cost, quality goals. Food manufacturers not only have limited ability offer uniform but also greater chance of generating wastes due the perishable nature materials. This study investigates degree which Sri Lankan food sector practicing lean examines direct indirect relationships between manufacturing, business performance, operational performance. Data were collected through questionnaire distributed managers who experience in industry. Using sample 86, hypotheses tested applying Partial Least Square Structural Equation Modelling with SmartPLS software. Developing new construct represent four practices, namely, Just-in-time (JIT), Total Quality Management (TQM), Preventive Maintenance (TPM), Human Resource (HRM), this empirically confirms has significant positive impact on both Furthermore, performance partially mediates relationship The findings valuable implications for mangers, particularly industry sustainability supply chain operations.