| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.18 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.18 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.18 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.18 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.34 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.34 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.24 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.06 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 529.06 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 528.71 | USD | 20251026 |