| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 974.87 | USD | 20251127 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 988.76 | USD | 20251126 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.13 | USD | 20251126 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1200.63 | USD | 20251126 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 974.63 | USD | 20251126 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 960.51 | USD | 20251126 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1073.51 | USD | 20251126 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1271.26 | USD | 20251126 |