| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 960.82 | USD | 20251209 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 960.82 | USD | 20251209 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 904.3 | USD | 20251209 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 777.13 | USD | 20251209 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 777.13 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1017.34 | USD | 20251209 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1031.47 | USD | 20251209 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1017.34 | USD | 20251209 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |