| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 353.34 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 346.28 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 332.14 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 367.48 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 353.34 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 360.41 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 360.41 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 353.34 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 360.41 | USD | 20251210 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 228.97 | USD | 20251210 |