| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.56 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 331.31 | USD | 20251021 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 338.36 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.46 | USD | 20251021 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 235.44 | USD | 20251021 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 235.44 | USD | 20251021 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 253.77 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 232.62 | USD | 20251021 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.95 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 380.66 | USD | 20251021 |