- Production by Product of Ten Non-Ferrous Metals in China in 1979Jan 15, 1980
- Ten Non-Ferrous Minerals and Reproduction in China in 1979Jan 15, 1980
- Ten Non-Ferrous Minerals and Reproduction in China in 1978Jan 15, 1979
- Production by Product of Ten Non-Ferrous Metals in China in 1978Jan 15, 1979
- Ten Non-Ferrous Minerals and Reproduction in China in 1978Jan 15, 1979
- Ten Non-Ferrous Minerals and Reproduction in China in 1977Jan 15, 1978
- Production by Product of Ten Non-Ferrous Metals in China in 1977Jan 15, 1978
- Ten Non-Ferrous Minerals and Reproduction in China in 1977Jan 15, 1978
- Ten Non-Ferrous Minerals and Reproduction in China in 1976Jan 15, 1977
- Production by Product of Ten Non-Ferrous Metals in China in 1976Jan 15, 1977
- Ten Non-Ferrous Minerals and Reproduction in China in 1976Jan 15, 1977
- Ten Non-Ferrous Minerals and Reproduction in China in 1975Jan 15, 1976
- Production by Product of Ten Non-Ferrous Metals in China in 1975Jan 15, 1976
- Ten Non-Ferrous Minerals and Reproduction in China in 1975Jan 15, 1976
- Ten Non-Ferrous Minerals and Reproduction in China in 1974Jan 15, 1975
- Production by Product of Ten Non-Ferrous Metals in China in 1974Jan 15, 1975
- Ten Non-Ferrous Minerals and Reproduction in China in 1974Jan 15, 1975
- Ten Non-Ferrous Minerals and Reproduction in China in 1973Jan 15, 1974
- Production by Product of Ten Non-Ferrous Metals in China in 1973Jan 15, 1974
- Ten Non-Ferrous Minerals and Reproduction in China in 1973Jan 15, 1974
- Ten Non-Ferrous Minerals and Reproduction in China in 1972Jan 15, 1973
- Production by Product of Ten Non-Ferrous Metals in China in 1972Jan 15, 1973
- Ten Non-Ferrous Minerals and Reproduction in China in 1972Jan 15, 1973
- Ten Non-Ferrous Minerals and Reproduction in China in 1971Jan 15, 1972
- Production by Product of Ten Non-Ferrous Metals in China in 1971Jan 15, 1972
- Ten Non-Ferrous Minerals and Reproduction in China in 1971Jan 15, 1972
- Ten Non-Ferrous Minerals and Reproduction in China in 1970Jan 15, 1971
- Production by Product of Ten Non-Ferrous Metals in China in 1970Jan 15, 1971
- Ten Non-Ferrous Minerals and Reproduction in China in 1970Jan 15, 1971
- Ten Non-Ferrous Minerals and Reproduction in China in 1969Jan 15, 1970