| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 904.36 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 841.27 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 785.18 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 841.27 | USD | 20250822 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 680.02 | USD | 20250822 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 841.27 | USD | 20250822 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 897.35 | USD | 20250822 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 897.35 | USD | 20250822 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 813.61 | USD | 20250821 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 813.61 | USD | 20250821 |