| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 885.14 | USD | 20251107 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 885.14 | USD | 20251107 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 885.14 | USD | 20251107 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 885.14 | USD | 20251107 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 885.14 | USD | 20251107 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 885.14 | USD | 20251107 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 885.14 | USD | 20251107 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 875.26 | USD | 20251107 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 868.2 | USD | 20251107 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 875.26 | USD | 20251107 |