| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 572.41 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 572.32 | USD | 20251208 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 572.08 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 572.08 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 572.12 | USD | 20251128 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 571.51 | USD | 20251113 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 571.5 | USD | 20251111 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 571.08 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 570.46 | USD | 20251015 |
| Shandong Huize Chemical Technology Co., Ltd. | 96.2% | MT | 569.6 | USD | 20251009 |