| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.0 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.0 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.0 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.0 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1045.88 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.0 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.76 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.76 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.76 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.76 | USD | 20251202 |