| Vendor | Spec | Unit | Price | Currency | Date |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1213.23 | USD | 20251104 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 916.98 | USD | 20251104 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 874.66 | USD | 20251104 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.66 | USD | 20251104 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.66 | USD | 20251104 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 883.12 | USD | 20251104 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.07 | USD | 20251104 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1227.34 | USD | 20251104 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.66 | USD | 20251104 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.09 | USD | 20251104 |