| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petrochemical Co., Ltd. | Industrial Grade | MT | 871.37 | USD | 20250928 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 787.05 | USD | 20250928 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 906.51 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 730.83 | USD | 20250928 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.21 | USD | 20250928 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 948.67 | USD | 20250928 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |