| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Dohow Chemical Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 976.3 | USD | 20250918 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 1012.87 | USD | 20250918 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1055.07 | USD | 20250918 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1266.09 | USD | 20250918 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1266.09 | USD | 20250918 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1266.09 | USD | 20250918 |