| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 908.35 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 901.31 | USD | 20250909 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.98 | USD | 20250909 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 901.31 | USD | 20250909 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 901.31 | USD | 20250909 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 844.98 | USD | 20250909 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.62 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.57 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 844.73 | USD | 20250908 |