| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 267.88 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.52 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.47 | USD | 20251024 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 267.88 | USD | 20251024 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 324.27 | USD | 20251024 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 338.37 | USD | 20251024 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 352.47 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.47 | USD | 20251024 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 267.88 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.57 | USD | 20251024 |