| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 632.37 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 449.68 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 351.32 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1025.84 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 534.0 | USD | 20250825 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 392.59 | USD | 20250824 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1037.56 | USD | 20250824 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 392.59 | USD | 20250824 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 462.7 | USD | 20250824 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 399.6 | USD | 20250823 |