| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 544.06 | USD | 20251208 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 537.0 | USD | 20251208 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 537.23 | USD | 20251204 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 544.3 | USD | 20251204 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 543.82 | USD | 20251126 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 536.75 | USD | 20251126 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 543.21 | USD | 20251121 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 536.16 | USD | 20251121 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 543.53 | USD | 20251112 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 536.47 | USD | 20251112 |