| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 586.71 | USD | 20251204 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 438.27 | USD | 20251204 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 424.13 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.58 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.58 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.58 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 367.58 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 438.27 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 438.27 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 508.96 | USD | 20251204 |