| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251018 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 789.3 | USD | 20251017 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 817.49 | USD | 20251017 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |