| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.22 | USD | 20251015 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 288.75 | USD | 20251015 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 352.14 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 331.01 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 345.09 | USD | 20251015 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 338.05 | USD | 20251015 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 380.31 | USD | 20251015 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 239.45 | USD | 20251015 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 394.39 | USD | 20251015 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 338.05 | USD | 20251015 |