- Output of Tungsten Concentrate in China and by Province and City in Feb. 1997Mar 15, 1997
- Output of Tungsten Concentrate in China and by Province and City in Jan. 1997Feb 15, 1997
- Output of Tungsten Concentrate in World and by Country in 1996Jan 15, 1997
- Output of Tungsten Concentrate in World and by Country in 1995Jan 15, 1996
- Output of Tungsten Concentrate in World and by Country in 1994Jan 15, 1995
- Output of Tungsten Concentrate in World and by Country in 1993Jan 15, 1994
- Output of Tungsten Concentrate in World and by Country in 1992Jan 15, 1993
- Output of Tungsten Concentrate in World and by Country in 1991Jan 15, 1992
- Output of Tungsten Concentrate in World and by Country in 1990Jan 15, 1991
