| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.16 | USD | 20251202 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1214.79 | USD | 20251202 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1017.04 | USD | 20251202 |
| Befar Group Co., Ltd. | China national standards | MT | 889.91 | USD | 20251202 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1228.92 | USD | 20251202 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1271.29 | USD | 20251202 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.16 | USD | 20251202 |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1257.17 | USD | 20251202 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1207.73 | USD | 20251202 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1045.29 | USD | 20251202 |