| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.57 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.47 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 345.42 | USD | 20251024 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.45 | USD | 20251024 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.32 | USD | 20251024 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 394.77 | USD | 20251024 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 493.46 | USD | 20251024 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.47 | USD | 20251024 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 437.06 | USD | 20251024 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 253.78 | USD | 20251024 |