| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 732.45 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 732.45 | USD | 20251015 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 809.92 | USD | 20251015 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 887.39 | USD | 20251015 |