1.??????????:

????? ??? ?????????

??????

????????????? ???????

2.???????:

?????? ??? ???????

?????????????? ???????

3.?????????? ????????:

PE, PE,PE

PP, PP, PP

PA, PA, PA

PET, PET, PET

PBT, PBT, PBT

PMMA, PMMA, PMMA

PS, PS, PS