| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.92 | USD | 20250920 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 482.23 | USD | 20250919 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 407.72 | USD | 20250919 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 463.95 | USD | 20250919 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250919 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 456.92 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 323.36 | USD | 20250919 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 323.36 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 449.89 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250919 |