Poly film lock system is designed exclusively to solve the problem of fastening flexible material, such as polyethene film, shade cloth, insect net and shade net in greenhouse.

Traditional fastening methods such nails, chocks, eyelets, ties are weaken and very damaging to poly film or other flexible materials

The poly film lock system ensures that your poly film is tight, non-damaged and will withstand winds up to grade 9. It is also of beautiful surface and unmatched corrosion resistance against salt breezes and moist winds since specific material are used or treated.

Specifications

film lock channel and spring 
good surface 
long duration time 
high wind resistant 
economic 

Plastic coated wire:

 Galvanized groove: