| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1017.11 | USD | 20251129 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1200.75 | USD | 20251129 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251129 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1243.13 | USD | 20251129 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1200.75 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1299.64 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1200.75 | USD | 20251128 |