| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.26 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.26 | USD | 20250922 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1223.53 | USD | 20250922 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1364.16 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1223.53 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1378.22 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 956.32 | USD | 20250922 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |