| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 255.79 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.09 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 368.23 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.09 | USD | 20250926 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 323.25 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 323.25 | USD | 20250926 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 491.9 | USD | 20250926 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 491.9 | USD | 20250926 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 281.09 | USD | 20250926 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 281.09 | USD | 20250926 |