| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1271.38 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.16 | USD | 20251128 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1229.0 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.16 | USD | 20251128 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 960.6 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1087.74 | USD | 20251128 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1186.63 | USD | 20251128 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 946.47 | USD | 20251128 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1200.75 | USD | 20251128 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.88 | USD | 20251128 |