| Vendor | Spec | Unit | Price | Currency | Date |
| Derun Chemical Co., Ltd. | China national standards | MT | 931.36 | USD | 20251030 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 931.36 | USD | 20251030 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.36 | USD | 20251030 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.64 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1065.42 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 973.7 | USD | 20251030 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.7 | USD | 20251030 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1072.48 | USD | 20251030 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1100.7 | USD | 20251030 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 973.7 | USD | 20251030 |