| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.5 | USD | 20251208 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 233.17 | USD | 20251208 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 233.17 | USD | 20251208 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 233.17 | USD | 20251208 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 228.93 | USD | 20251208 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 265.67 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 268.5 | USD | 20251208 |
| Shandong Hongshuo Chemical Technology Co., Ltd. | China national standards | MT | 254.37 | USD | 20251208 |
| Shandong Hongshuo Chemical Technology Co., Ltd. | China national standards | MT | 254.37 | USD | 20251208 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 310.89 | USD | 20251208 |