| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 224.95 | USD | 20250919 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 274.15 | USD | 20250919 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 274.32 | USD | 20250918 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 281.35 | USD | 20250918 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 295.42 | USD | 20250918 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 225.08 | USD | 20250918 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 225.08 | USD | 20250918 |