| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1032.74 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 778.09 | USD | 20251211 |