| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1010.7 | USD | 20250814 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 967.24 | USD | 20250814 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1037.33 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1289.65 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1324.7 | USD | 20250814 |