| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.94 | USD | 20251028 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.88 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.92 | USD | 20251028 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.83 | USD | 20251028 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.15 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 239.92 | USD | 20251028 |