| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 819.75 | USD | 20251210 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 798.55 | USD | 20251210 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 791.49 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 939.89 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 911.62 | USD | 20251210 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 911.62 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 904.56 | USD | 20251210 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 749.08 | USD | 20251210 |