| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1213.88 | USD | 20251124 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1270.34 | USD | 20251124 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1270.34 | USD | 20251124 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1242.11 | USD | 20251124 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 959.81 | USD | 20251124 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1058.62 | USD | 20251124 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1178.6 | USD | 20251124 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1044.5 | USD | 20251124 |