| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1223.59 | USD | 20251009 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1286.88 | USD | 20251009 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1223.59 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1209.53 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1322.04 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 932.46 | USD | 20251009 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |