| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 437.89 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 437.89 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 438.11 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 438.11 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | 90% | MT | 494.64 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 438.11 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | 90% | MT | 494.43 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 437.92 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 437.92 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 437.92 | USD | 20251128 |