| Reporter | TradeFlow | ProductCode | Product Description | Year | Partner | Trade Value 1000USD | Quantity | Quantity Unit |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | World | 4,056.47 | 26,433,400 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | India | 2,048.97 | 13,547,500 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Turkey | 889.66 | 4,317,320 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Italy | 571.30 | 1,442,100 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Vietnam | 145.14 | 3,930,500 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Angola | 127.14 | 891,400 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | United States | 56.41 | 128,797 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Indonesia | 55.19 | 170,104 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Kazakhstan | 49.16 | 97,670 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Canada | 24.72 | 120,395 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Korea, Rep. | 16.83 | 275,650 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Pakistan | 16.08 | 15,575 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Madagascar | 10.00 | 25,000 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Armenia | 9.08 | 25,860 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Brazil | 6.75 | 13,500 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Dominican Republic | 5.95 | 23,535 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Myanmar | 5.60 | 1,289,100 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Guatemala | 5.49 | 9,144 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Korea, Dem. Rep. | 3.89 | 77,740 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | France | 3.03 | 1,000 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Iran, Islamic Rep. | 2.97 | 22,790 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | South Africa | 1.30 | 4,320 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Tanzania | 0.90 | 555 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Japan | 0.50 | 3,040 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Tajikistan | 0.35 | 232 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Czech Republic | 0.04 | 570 | Kg |
| China | Import | 251690 | Porphyry, sylnite, etc, merely cut into a squar | 2018 | Kenya | 0.01 | 31 | Kg |
