Heijunka, which means "production smoothing or leveling" in Japanese, is a method that helps balance production in all areas and with suppliers over time. It aims to make Just-In-Time (JIT) production easier. Heijunka is an important part of Just-in-Time (JIT) production. It means finding and keeping a consistent level of production. The main purpose of using the Heijunka technique is to provide goods at a consistent pace, which allows other operationsto also run smoothly and predictably. This helps decrease wastes and the amount of inventory.