| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 818.34 | USD | 20251123 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 818.34 | USD | 20251123 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 818.34 | USD | 20251121 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 818.34 | USD | 20251121 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 818.0 | USD | 20251120 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 818.0 | USD | 20251120 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 818.38 | USD | 20251119 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 818.38 | USD | 20251119 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 818.56 | USD | 20251118 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 818.56 | USD | 20251118 |