| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.49 | USD | 20251206 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.49 | USD | 20251206 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.49 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.49 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.67 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.67 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.43 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.43 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.98 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.98 | USD | 20251202 |