| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 746.96 | USD | 20251022 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 901.99 | USD | 20251022 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |