| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1269.9 | USD | 20251119 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1269.9 | USD | 20251119 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1015.92 | USD | 20251119 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.95 | USD | 20251119 |
| Befar Group Co., Ltd. | China national standards | MT | 888.93 | USD | 20251119 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1181.0 | USD | 20251119 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1255.79 | USD | 20251119 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |