| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1550.41 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 909.1 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 944.34 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 902.06 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 909.1 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 817.49 | USD | 20251017 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 817.49 | USD | 20251017 |