| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.3 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.3 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.3 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.3 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.3 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.14 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.14 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.14 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.14 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.14 | USD | 20250902 |