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
