| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.05 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 886.21 | USD | 20250902 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 703.34 | USD | 20250902 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 703.34 | USD | 20250902 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.81 | USD | 20250902 |