Can a single machine from SUNFLL produce PET bottles with a range from 20ml to 20L?

Technically speaking, the same blow molding machine could, in theory, be adapted to produce bottles across a wide capacity range from 20ml to 20L through a complete change of molds, adjustment or even replacement of related components (such as stretch rods and clamping mechanisms), and professional re-debugging. However, in practical production, we generally do not recommend this approach. The primary reasons are that each specification changeover requires experienced engineers to spend significant time on complex mechanical adjustments and process parameter resets, substantially increasing labor and spare parts costs. Furthermore, frequent and extensive modifications and debugging may accelerate wear on key machine components, posing a potential impact on long-term operational stability. Additionally, from an energy efficiency and economic standpoint, equipment designed for producing large-capacity bottles often incurs higher energy consumption per unit when switched to producing very small bottles, which may lead to uneconomical operating costs. Therefore, to ensure production efficiency, equipment longevity, and optimal production costs, we typically recommend configuring a more dedicated and well-matched production line based on your primary product positioning and capacity requirements.