| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 452.05 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.29 | USD | 20251129 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.79 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.29 | USD | 20251129 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.92 | USD | 20251129 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 508.55 | USD | 20251129 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1045.36 | USD | 20251129 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1045.36 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.29 | USD | 20251129 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1031.23 | USD | 20251129 |