| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 817.49 | USD | 20251018 |
| Shandong Jinshengrun Chemical Co., Ltd. | Industrial Grade | MT | 902.06 | USD | 20251018 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 902.06 | USD | 20251018 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 887.96 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 817.49 | USD | 20251018 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 648.35 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 902.06 | USD | 20251018 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1014.81 | USD | 20251018 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1014.81 | USD | 20251018 |