| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1001.16 | USD | 20251023 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.37 | USD | 20251023 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.37 | USD | 20251023 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1269.07 | USD | 20251023 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 1078.71 | USD | 20251023 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1057.56 | USD | 20251023 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1071.66 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1043.46 | USD | 20251023 |