| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Group Co., Ltd. | China national standards | MT | 1073.61 | USD | 20251129 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1229.0 | USD | 20251129 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 960.6 | USD | 20251129 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1080.68 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1179.56 | USD | 20251129 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1115.99 | USD | 20251129 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1059.49 | USD | 20251128 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1115.99 | USD | 20251128 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1624.55 | USD | 20251128 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 960.6 | USD | 20251128 |