| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 443.73 | USD | 20251208 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 339.16 | USD | 20251208 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.86 | USD | 20251208 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.86 | USD | 20251208 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.81 | USD | 20251208 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.81 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 438.08 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 438.08 | USD | 20251208 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 438.08 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 438.08 | USD | 20251208 |