| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251017 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1205.09 | USD | 20251017 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1338.99 | USD | 20251017 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251017 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.1 | USD | 20251017 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1212.14 | USD | 20251017 |