See GSH Message Board Post #1403 by PACMAN. Sustained high oil prices relative to coal could mean more substitutions even in other industries. In theory, many processes which begin with oil as a feedstock could be switched to coal. It's all hydrocarbons from the point of view of organic chemistry.
Though 1999 Earnings may be down somewhat from the prior year due to soft coal prices, the Company might actually have room to raise the cash dividend. Coal-mining in China is probably ripe for consolidation. YZC just could be the biggest consolidator. Buy some now to get the annual report.