| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.17 | USD | 20251111 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.24 | USD | 20251110 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.24 | USD | 20251110 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.39 | USD | 20251109 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.39 | USD | 20251109 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.39 | USD | 20251109 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.39 | USD | 20251109 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.39 | USD | 20251109 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.39 | USD | 20251109 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.39 | USD | 20251108 |