| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.2 | USD | 20251021 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.2 | USD | 20251021 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.74 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 437.05 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 451.15 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 406.03 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.8 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.43 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.43 | USD | 20251021 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 422.95 | USD | 20251021 |