| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20251008 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20251004 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20251004 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20251004 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250929 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250929 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.61 | USD | 20250929 |