Shanghai Market Price of Chemical Products during May 2004
  Product                               Specification                      Price (RMB/t)
                                                                Top   Bottom     Avg.  Avg.of
                                                                                     May-2003
Inorganic chemicals                                                                        
Ammonium Chloride                       99%                     1600    1050    1395    1359
Baking Soda                             Food grade              1600    1300    1387    1223
Barium Carbonate                        99%                     2400    1650    1931    1812
Barium Chloride                         A grade                 2300    2000    2145    2231
Borax (Sodium Borate)                   95%                     3200    2900    3007    2324
Boric Acid                              99.5%                   5400    4900    5181    4553
Calcium Carbonate                       light                   1200    650     785     650
Caustic Soda                            99%, flake              2800    2350    2524    2381
Hydrochloric acid                       31%                     700     540     610     586
Hydrofluoric Acid                       40%                     4000    3400    3767    3150
Hydrogen Peroxide                       27.5%                   1700    1300    1497    1624
Iodine, purified                        99.9%                   156000  148000  151000  143000
Lithopone                               B301                    3400    3000    3169    3079
Magnesium Carbonate                     light, A grade          4500    3800    4033    3600
Nitric acid                             98%                     1700    1700    1700    1738
Potassium Chloride                      98%                     2200    1200    1833    2100
Potassium Dichromate                    99.5%