| Vendor | Spec | Unit | Price | Currency | Date |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251102 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1044.02 | USD | 20251102 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251102 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1015.8 | USD | 20251102 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251102 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 987.58 | USD | 20251102 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.78 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.78 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.78 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.78 | USD | 20251101 |