| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1042.33 | USD | 20251015 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1098.67 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1098.67 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1253.61 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1077.54 | USD | 20251015 |