| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 906.82 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 899.79 | USD | 20250919 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 948.99 | USD | 20250919 |