| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 1081.23 | USD | 20251210 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1067.09 | USD | 20251210 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1031.76 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1045.89 | USD | 20251210 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1272.03 | USD | 20251210 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 855.09 | USD | 20251210 |