| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.68 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 410.69 | USD | 20251118 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 366.94 | USD | 20251118 |
| Jiangxi Xinmao Chemical Co., Ltd. | 90% | MT | 550.41 | USD | 20251118 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.3 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.37 | USD | 20251118 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.68 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.09 | USD | 20251118 |