Automatic Plastic File Folder Production Line
(PP String Envelopes Production)

The automatic line is specially designed for the production of plastic envelopes with string-tie closure. With high level of automation, all operations from the unwinding of PP film to finished product can be automatically performed. This significantly enhances production efficiency and reduces labor costs. The plastic folders with string closure feature water and tear resistance, conveniently securing the content inside.

• The equipment for production of poly string envelopes adopts the superior quality parts, and is designed with various alarm systems. When any problem occurs during operation, the machine will automatically stop, and alarm will be given at the same time.
• It comes with a photoelectric sensor for automatically tracking the color code.
• The material feeder features a tension control system and a web guiding system for continuous alignment.