| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 451.81 | USD | 20251125 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 437.56 | USD | 20251124 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.25 | USD | 20251124 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 522.25 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 451.68 | USD | 20251124 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1044.5 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 451.68 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 451.68 | USD | 20251124 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 508.14 | USD | 20251124 |