| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.27 | USD | 20251016 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.14 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 380.45 | USD | 20251016 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 324.09 | USD | 20251016 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 239.54 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 242.36 | USD | 20251016 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 267.73 | USD | 20251016 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 338.18 | USD | 20251016 |
| Qingdao Ruishuang Chemical Co., Ltd. | China national standards | MT | 422.73 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 380.45 | USD | 20251016 |