| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1044.09 | USD | 20251121 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 474.07 | USD | 20251121 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 493.83 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251121 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 410.58 | USD | 20251121 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.55 | USD | 20251121 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.55 | USD | 20251121 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.16 | USD | 20251121 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 536.16 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251121 |