| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 934.5 | USD | 20250825 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 906.4 | USD | 20250825 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 899.37 | USD | 20250825 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 899.37 | USD | 20250825 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 843.16 | USD | 20250825 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 843.16 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 744.79 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 843.16 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 786.95 | USD | 20250825 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 644.97 | USD | 20250824 |