| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20251003 |
| Shandong Jinshengrun Chemical Co., Ltd. | Industrial Grade | MT | 886.64 | USD | 20251003 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.39 | USD | 20251003 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20251002 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 886.64 | USD | 20251002 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20251002 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 886.64 | USD | 20251002 |
| Shandong Jinshengrun Chemical Co., Ltd. | Industrial Grade | MT | 886.64 | USD | 20251002 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.64 | USD | 20251001 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.39 | USD | 20251001 |