| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1353.92 | USD | 20251120 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 761.58 | USD | 20251120 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 902.62 | USD | 20251120 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.58 | USD | 20251120 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 761.58 | USD | 20251120 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 761.58 | USD | 20251120 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.48 | USD | 20251120 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |