| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1329.92 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1294.74 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1041.42 | USD | 20250923 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1210.3 | USD | 20250923 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1189.19 | USD | 20250923 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1217.33 | USD | 20250923 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1154.0 | USD | 20250923 |