| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1364.49 | USD | 20250929 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1216.78 | USD | 20250929 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 956.55 | USD | 20250929 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1195.68 | USD | 20250929 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1285.98 | USD | 20250928 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1328.14 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250928 |