| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1226.23 | USD | 20251017 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1289.66 | USD | 20251017 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1226.23 | USD | 20251017 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1226.23 | USD | 20251017 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251017 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1381.27 | USD | 20251017 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 916.15 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1331.94 | USD | 20251017 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1367.18 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1296.71 | USD | 20251017 |