| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251114 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251114 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251114 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251114 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1207.2 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251114 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1143.66 | USD | 20251114 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1200.14 | USD | 20251114 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.95 | USD | 20251114 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.95 | USD | 20251114 |