SHANGHAI, Jul.2 -- On Jun. 21, China Customs released imports and exports of refined copper, primary aluminum, and other base metals in May 2012 (unit: mt):
| May. | YoY (%) | Jan.– May. | YoY (%) | |
| Imports: | ||||
| Refined Copper | 301,990 | 102.63 | 1,631,871 | 80.27 |
| Primary Aluminum | 34,450 | 89.96 | 261,038 | 147.18 |
| Unwrought Nickel (Refined Nickel+Nickel Alloy) | 12,858 | -31.37 | 61,579 | -27.91 |
| Refined Lead | 1,840 | 12.23 | 3,743 | -7.86 |
| refined zinc | 21,811 | -13.79 | 181,904 | 27.96 |
| zinc alloy | 13,441 | -1.62 | 53,554 | -10.37 |
| Refined Tin + Tin Alloy | 1,689 | 97.16 | 11,652 | 195.23 |
| Exports: | ||||
| Refined Copper | 102,375 | 407.43 | 157,082 | 9.32 |
| Primary Aluminum | 9,280 | -37.56 | 51,845 | 97.70 |
| Refined Lead | 25 | -98.29 | 543 | -90.41 |
| refined zinc | 556 | -79.57 | 5,349 | -82.06 |
| Unwrought Nickel (Refined Nickel+Nickel Alloy) | 1,958 | -61.80 | 14,616 | -22.22 |
| Refined Tin + Tin Alloy | 202 | 168.97 | 1,022 | 38.93 |
| (Source: China Customs) |
