摘要
China is a country rich in tin resource. Its reserve makes up 27% of total reserve of wholeworld and ranks first among all countries. In 1949 the Chinese tin output was 4900 tonne. Up tonow it becomes 30000 tonne (1988). In the past 4 decade accumulative total output of tin is 0.89million tonne, amone this 0.48 million tonne is for export.
