| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1043.28 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.05 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.05 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1042.65 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251017 |