| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.61 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 379.74 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.61 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.64 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.64 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.64 | USD | 20251009 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 253.16 | USD | 20251009 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 239.09 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.29 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.29 | USD | 20251009 |