| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 908.36 | USD | 20251013 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 907.84 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 907.84 | USD | 20251011 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 907.84 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20251008 |