| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 1999.36 | USD | 20250703 |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 1998.71 | USD | 20250702 |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 1999.05 | USD | 20250701 |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 1997.6 | USD | 20250630 |
| Shandong Huize Chemical Technology Co., Ltd. | 128# | MT | 1996.45 | USD | 20250627 |