| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.79 | USD | 20251021 |