| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 850.84 | USD | 20250922 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |