| Vendor | Spec | Unit | Price | Currency | Date |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 811.23 | USD | 20251101 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 712.47 | USD | 20251101 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 712.47 | USD | 20251101 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 853.56 | USD | 20251101 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.74 | USD | 20251101 |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 818.28 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 634.88 | USD | 20251101 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 775.96 | USD | 20251101 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 790.07 | USD | 20251101 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 705.42 | USD | 20251031 |