| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251031 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.35 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.35 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.25 | USD | 20251030 |