The 'HP-PP' series machines are specially designed for the film blowing of P.P.
The gear box is '3shafes type' to axhieve low electricity consumption,low belts
replacement,high durability,noiseless during high speed operation .
The material of screw and barrel is pta,bi-metal alloy treatment and grinding to
ensure high durability,high stability and output increasing.Without problem to
use recycled materials .