| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1324.9 | USD | 20251018 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1381.27 | USD | 20251018 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251018 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 909.1 | USD | 20251018 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1338.99 | USD | 20251018 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 972.53 | USD | 20251017 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 916.15 | USD | 20251017 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251017 |