| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 706.48 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 706.48 | USD | 20251209 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 833.65 | USD | 20251209 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 833.65 | USD | 20251209 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 777.13 | USD | 20251209 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 791.26 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 854.85 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 868.98 | USD | 20251209 |