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| Reserves and resources of the Ying Mine |
| Tonnage | Grade | Reserves and resources |
| Lead | Gold | Zinc | Silver | Lead | Gold | Zinc | Silver |
| % | g/t | % | g/t | lbs | oz | lbs | oz |
| Proven | 1,263,450 | 5.97 | 0.10 | 1.57 | 262.00 | 166 290 198 | 4 062 | 43 731 258 | 10 642 666 |
| Probable | 5,342,412 | 4.38 | 0.08 | 1.26 | 214.00 | 515 876 503 | 13 741 | 148 402 830 | 36 757 182 |
| Proven and Probable | 6,605,862 | 4.68 | 0.08 | 1.32 | 223.18 | 682 166 701 | 17 803 | 192 134 088 | 47 399 848 |
| Measured | 1,108,561 | 9.01 | 0.06 | 2.74 | 479.00 | 220 200 675 | 2 138 | 66 964 467 | 17 072 070 |
| Indicated | 4,820,986 | 7.35 | 0.19 | 2.50 | 374.00 | 781 191 427 | 29 450 | 265 711 370 | 57 969 364 |
| Mesured and Indicated | 5,929,547 | 7.66 | 0.17 | 2.54 | 393.63 | 1 001 392 103 | 31 588 | 332 675 837 | 75 041 433 |
| Inferred | 6,271,461 | 9.53 | 0.00 | 3.42 | 466.00 | 1 317 637 317 | | 472 856 204 | 93 960 583 |
| Total | 18 806 870 | | | | | 3 001 196 120 | 49 391 | 997 666 129 | 216 401 865 |
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| Reserves and resources of the Ying Mine |
| Metal | Total | Reserves | Resources | Unit | In situ value |
| | Proven | Probable | Proven and Probable | Measured | Indicated | Mesured and Indicated | Inferred | | |
| Silver | 216 401 865 | 10 642 666 | 36 757 182 | 47 399 848 | 17 072 070 | 57 969 364 | 75 041 433 | 93 960 583 | oz | 4 825 761 582 US$ |
| Lead | 3 001 196 120 | 166 290 198 | 515 876 503 | 682 166 701 | 220 200 675 | 781 191 427 | 1 001 392 103 | 1 317 637 317 | lbs | 2 431 869 216 US$ |
| Zinc | 997 666 129 | 43 731 258 | 148 402 830 | 192 134 088 | 66 964 467 | 265 711 370 | 332 675 837 | 472 856 204 | lbs | 739 170 835 US$ |
| Gold | 49 391 | 4 062 | 13 741 | 17 803 | 2 138 | 29 450 | 31 588 | | oz | 67 740 071 US$ |
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| Production history |
| Metal | 2010 | 2009 | 2008 | 2007 |
| GOLD (oz) | 1,800 | | 309 | 249 |
| LEAD (lbs) | 52,937,000 | | 42,281,513 | 26,262,191 |
| SILVER (oz) | 4,249,000 | 4,260,000 | 3,683,537 | 1,935,031 |
| ZINC (lbs) | 13,369,000 | | 15,136,170 | 7,135,930 |
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