| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.05 | USD | 20251111 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1250.25 | USD | 20251111 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 966.61 | USD | 20251111 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1001.89 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1072.45 | USD | 20251111 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1051.28 | USD | 20251111 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251110 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 973.81 | USD | 20251110 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 882.07 | USD | 20251110 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 882.07 | USD | 20251110 |