| 海关关区 | 进口数量 | 进口金额 | 出口数量 | 出口金额 |
| (千克) | (美元) | (千克) | (美元) | |
| 北京海关 | 1362 | $7,526.00 | 0 | $0.00 |
| 大连海关 | 463 | $4,998.00 | 0 | $0.00 |
| 合肥海关 | 3993 | $23,969.00 | 0 | $0.00 |
| 江门海关 | 0 | $0.00 | 4800 | $3,559.00 |
| 南京海关 | 8166 | $60,876.00 | 0 | $0.00 |
| 上海海关 | 24295609 | $14,008,992.00 | 0 | $0.00 |
| 深圳海关 | 11360 | $43,963.00 | 0 | $0.00 |
| 天津海关 | 4320 | $12,960.00 | 0 | $0.00 |
| 2012 | 24325273 | $14,163,284.00 | 4800 | $3,559.00 |
(关键字：合成氨 进出口)