| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.48 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.48 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.48 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.25 | USD | 20250908 |