Supplier: 1. ethylene
2. propylene
3. butadiene
4. benzene
5. toluene
6. xylene
7. ores
8. polyethylene (pe)
9. polypropylene (pp)
10. polyvinyl chloride (pvc)
11. polystyrene (ps)
12. polyethylene terephthalate (pet)
13. ethylene glycol
14. styrene
15. acrylonitrile
16. cumene
17. linear alkyl benzene (lab)
28. ethylene dichloride (edc)
29.wheat flour
30.fruits
31. vegetables