| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1876.81 | USD | 20251106 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 846.68 | USD | 20251106 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.35 | USD | 20251106 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 846.68 | USD | 20251106 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251106 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 973.68 | USD | 20251106 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 930.88 | USD | 20251105 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1064.87 | USD | 20251105 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1071.92 | USD | 20251105 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 740.47 | USD | 20251105 |