| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 504.76 | USD | 20250822 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 532.8 | USD | 20250822 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 701.06 | USD | 20250822 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 701.06 | USD | 20250822 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 771.16 | USD | 20250822 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 540.07 | USD | 20250821 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 540.07 | USD | 20250821 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 701.39 | USD | 20250821 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 701.39 | USD | 20250821 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 505.0 | USD | 20250821 |