| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.85 | USD | 20251021 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.85 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.85 | USD | 20251021 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.05 | USD | 20251021 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 507.54 | USD | 20251021 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1043.28 | USD | 20251021 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 469.48 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1043.28 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.05 | USD | 20251021 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.05 | USD | 20251021 |