| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1156.87 | USD | 20251027 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1044.0 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1297.95 | USD | 20251027 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1227.41 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 884.58 | USD | 20251027 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 884.58 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.58 | USD | 20251027 |