| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1112.75 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 950.42 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.66 | USD | 20251014 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1112.35 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.66 | USD | 20251014 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 781.46 | USD | 20251014 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 901.14 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 816.66 | USD | 20251014 |