PET karama flakes ịsa ahịrị PET flakes pelletizing ahịrị PP PE ihe nkiri ịsa ahụ PP PE film pelletizing igwe nwere nzacha ugboro abụọ Igwe eji eme ihe nkiri PP na PE akpọnwụwo SJ 200 otu ịghasa abụọ nkebi pelletizing igwe