| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 831.95 | USD | 20251023 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 705.04 | USD | 20251023 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 789.64 | USD | 20251023 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 775.54 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 789.64 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 853.1 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 867.2 | USD | 20251023 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 705.04 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.19 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.19 | USD | 20251023 |