| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 904.3 | USD | 20251209 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 897.23 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1073.86 | USD | 20251209 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1045.6 | USD | 20251209 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 897.23 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1251.89 | USD | 20251209 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 904.3 | USD | 20251209 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1045.6 | USD | 20251209 |