| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251101 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 959.37 | USD | 20251031 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 959.37 | USD | 20251031 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251031 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1001.69 | USD | 20251031 |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 945.26 | USD | 20251031 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 973.48 | USD | 20251031 |
| China national standards | MT | 987.58 | USD | 20251031 |