| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1227.41 | USD | 20251027 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 884.58 | USD | 20251027 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.49 | USD | 20251027 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1227.41 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1297.95 | USD | 20251027 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 884.58 | USD | 20251027 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1245.75 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.58 | USD | 20251027 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 881.76 | USD | 20251027 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |