| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.51 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 345.41 | USD | 20251021 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 352.46 | USD | 20251021 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 352.46 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.46 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.46 | USD | 20251021 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 458.2 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.51 | USD | 20251021 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 235.44 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.56 | USD | 20251021 |