| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1072.23 | USD | 20251031 | 
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1029.91 | USD | 20251031 | 
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1072.79 | USD | 20251029 | 
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1072.22 | USD | 20251027 | 
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1071.12 | USD | 20251022 | 
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1070.11 | USD | 20251014 | 
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250924 | 
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250923 |