| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.72 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.72 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.72 | USD | 20251211 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.78 | USD | 20251211 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 459.78 | USD | 20251211 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 311.24 | USD | 20251211 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 311.24 | USD | 20251211 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 339.53 | USD | 20251211 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 229.18 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 229.18 | USD | 20251211 |