| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1243.83 | USD | 20251205 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1201.43 | USD | 20251205 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251205 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1116.88 | USD | 20251204 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1183.32 | USD | 20251204 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1116.88 | USD | 20251204 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.6 | USD | 20251204 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.6 | USD | 20251204 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1215.84 | USD | 20251204 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1081.53 | USD | 20251204 |