| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 931.77 | USD | 20251112 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.77 | USD | 20251112 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.12 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1065.89 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 974.12 | USD | 20251112 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1072.95 | USD | 20251112 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1101.18 | USD | 20251112 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.18 | USD | 20251112 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1129.42 | USD | 20251112 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 974.12 | USD | 20251112 |