| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1045.73 | USD | 20251208 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1144.65 | USD | 20251208 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 897.35 | USD | 20251208 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 897.35 | USD | 20251208 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1003.34 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 897.35 | USD | 20251208 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.74 | USD | 20251208 |