| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 933.17 | USD | 20251011 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 933.17 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 999.32 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1266.75 | USD | 20251011 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1217.49 | USD | 20251011 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1337.12 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1182.3 | USD | 20251011 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 933.17 | USD | 20251011 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 933.17 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1330.09 | USD | 20251011 |