ensuring tightness in 5ml portable mini refillable perfume bottles
{:en} The tightness of 5ml portable mini refillable perfume bottles is crucial to prevent any leakage or spillage during the spraying or extrusion process. A reliable sealing design, along with the materials used, plays a significant role in achieving optimal tightness. In this article, we will explore the importance of the nozzle or pump device…