| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 935.89 | USD | 20250930 |