| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1335.17 | USD | 20250928 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250928 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1241.01 | USD | 20250927 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1243.82 | USD | 20250927 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250927 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 955.7 | USD | 20250927 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 955.7 | USD | 20250927 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 955.7 | USD | 20250927 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 955.7 | USD | 20250927 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 955.7 | USD | 20250927 |