| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1017.54 | USD | 20251201 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 975.14 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 961.01 | USD | 20251201 |