| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.65 | USD | 20251030 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 889.03 | USD | 20251030 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1228.07 | USD | 20251029 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1044.56 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1298.65 | USD | 20251029 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 973.98 | USD | 20251029 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1291.59 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.94 | USD | 20251029 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |