pg@groupsci.com 0 PG Sunday at 10:25 PM Main global sources of Asphalt feedstock? Global major users of asphalt? amount of asphalt which is PMA? Quote Share this post Link to post Share on other sites
pg@groupsci.com 0 PG Sunday at 10:27 PM we are interested in understanding where the major sources of asphalt are globally. also intersted knowing where the highest quality asphalt is found Quote Share this post Link to post Share on other sites