I need a research about Materials supply importnace in Petrocemical Industry.
The research should cover below points:
1- Materials Supply Importance in Petrochemical Industry
2- Main problems on Materials Supply in Petrochemical Industry
3- Proposing solutions for above mentioned problems
4- what are the future research for Materials Supply in Petrochemical Industry.
In addition, I need the reference for each above points, and I prefer to be web site reference. 
The research should not exceed 6 pages