| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.87 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.12 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 437.12 | USD | 20251023 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1043.46 | USD | 20251023 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.12 | USD | 20251023 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.12 | USD | 20251023 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 451.23 | USD | 20251023 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 352.52 | USD | 20251023 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 507.63 | USD | 20251023 |
| Jiangsu Youlixin Chemical Co., Ltd. | 90% | MT | 549.93 | USD | 20251023 |