| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1077.87 | USD | 20251020 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1254.0 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1254.0 | USD | 20251020 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.01 | USD | 20251020 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1070.83 | USD | 20251020 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1000.38 | USD | 20251020 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 958.11 | USD | 20251020 |