| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1045.73 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1066.93 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1081.06 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1257.7 | USD | 20251208 |