| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Xinjiang Tianli Petrochemical Co., Ltd. | China national standards | MT | 1271.67 | USD | 20251209 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1201.02 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 904.3 | USD | 20251209 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1271.67 | USD | 20251209 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 953.75 | USD | 20251209 |