| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 845.39 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 908.8 | USD | 20251020 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 929.93 | 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 | 1028.56 | USD | 20251020 |
| Yixing Wencheng Chemical Co., Ltd. | China national standards | MT | 915.84 | USD | 20251020 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 739.72 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Nantong Zhonghe Chemical New Material 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 |