| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 943.56 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.98 | USD | 20250909 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 746.39 | USD | 20250909 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 844.98 | USD | 20250909 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 788.64 | USD | 20250909 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.81 | USD | 20250909 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 901.31 | USD | 20250909 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.81 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.81 | USD | 20250909 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 901.04 | USD | 20250908 |