| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.58 | USD | 20251114 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 395.34 | USD | 20251114 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 388.28 | USD | 20251114 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.98 | USD | 20251114 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 367.1 | USD | 20251114 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.1 | USD | 20251114 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 324.74 | USD | 20251114 |
| China national standards | MT | 324.74 | USD | 20251114 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 367.1 | USD | 20251114 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 367.1 | USD | 20251114 |