| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 926.63 | USD | 20251211 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1308.6 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1202.5 | USD | 20251211 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1273.24 | USD | 20251211 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |