| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1040.95 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1076.12 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1251.95 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1280.09 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.25 | USD | 20250902 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1026.88 | USD | 20250902 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1069.08 | USD | 20250902 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250902 |