| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 987.55 | USD | 20250918 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 984.74 | USD | 20250918 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 987.55 | USD | 20250918 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 980.52 | USD | 20250918 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 976.3 | USD | 20250918 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 956.6 | USD | 20250918 |