The extrusion system is a crucial part of the multi-layer co extrusion equipment, and MEPER blow molding multi-layer co extrusion blow molding machine uses an imported parison control system for adjustment and control to ensure uniform wall thickness distribution.

At the same time, special treatment is carried out on the internal flow channel of the mold head. The core rod is made of 40Cr material and undergoes multiple processes such as tempering, precision turning, polishing, and hard chromium plating to ensure the quality of the finished product and meet the barrier performance requirements of the container for CO2, O2, or gasoline.