| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.03 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 791.03 | USD | 20251202 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 922.39 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 830.58 | USD | 20251202 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 783.96 | USD | 20251202 |