| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 869.21 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 869.21 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 869.21 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 868.72 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 868.72 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 868.72 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 868.72 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 869.15 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 869.15 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 869.15 | USD | 20251201 |