| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 965.86 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 965.86 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 965.86 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 965.86 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 986.95 | USD | 20250920 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 984.14 | USD | 20250920 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 986.95 | USD | 20250920 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |