RONGLI NEW MATERIAL
Equipment: Four Advanced Production Lines, RMB 3 Million Investment
The plan includes four advanced 2-metre co-extrusion stretch film production lines, each with a capacity of 10–12 tonnes per hour. Investment in equipment at scale provides the foundation for efficient production capacity.
Industry-Leading Automated Production Line Layout
The project uses industry-leading advanced 2-metre co-extrusion stretch film production equipment. Its high level of automation and stable operation enable precise control throughout the process, from raw material feeding to finished roll winding. Advanced processing ensures uniform thickness and excellent toughness, significantly improves production efficiency and reduces manual operating errors. The equipment provides solid support for production at scale and to consistent standards, giving products advantages in both quality and cost.
Production Process
Resin pellets are automatically fed into the extruder, where heated screws melt and plasticize the material. A T-die forms the melt into a sheet, which is rapidly cooled on a chilled steel roller. Online thickness measurement, haul-off, tension control and edge-trim recovery precede winding into jumbo rolls for subsequent slitting.
Main Production-Line Components
- Feeding and blending system: resin mixing and automatic material loading.
- Extruder system: single-screw extrusion or coextrusion with multiple extruders.
- T-die: forms the melt into a continuous sheet.
- Chill-roll assembly: controls film cooling and influences thickness uniformity.
- Online thickness measurement, haul-off and edge-trim recovery.
- Winding system: forms the finished rolls and handles roll changes.
Multilayer Co-extrusion
A multi-material co-extrusion process combines resins with different properties, significantly improving the film's gas barrier performance and mechanical strength while expanding its applications.
Intelligent Automatic Control
A fully automated closed-loop control system monitors and adjusts production parameters in real time, ensuring uniform film thickness and stable, controllable product quality.
Efficient, Energy-Saving Production
Optimised heating and cooling circulation systems significantly reduce energy losses during production, increasing capacity while putting green, low-carbon, sustainable manufacturing into practice.
