| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 901.75 | USD | 20251020 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1028.56 | USD | 20251020 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 739.72 | USD | 20251020 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1549.89 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 915.84 | USD | 20251020 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 845.39 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |