| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 902.45 | USD | 20251023 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 846.05 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 846.05 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 846.05 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 846.05 | USD | 20251023 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 803.75 | USD | 20251023 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |