| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1050.13 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1049.97 | USD | 20251208 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1049.52 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1049.52 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1049.6 | USD | 20251128 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1048.47 | USD | 20251113 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1048.46 | USD | 20251111 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1047.69 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1046.55 | USD | 20251015 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1044.98 | USD | 20251009 |