| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 847.53 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 847.53 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 846.68 | USD | 20251113 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 843.86 | USD | 20251009 |