| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1000.07 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 929.64 | USD | 20251015 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 993.03 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1295.87 | USD | 20251015 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |