| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.69 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 915.84 | USD | 20251020 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1028.56 | USD | 20251020 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.11 | USD | 20251020 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.68 | USD | 20251019 |