| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251205 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251205 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 918.74 | USD | 20251205 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 918.95 | USD | 20251204 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 791.71 | USD | 20251204 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 791.71 | USD | 20251204 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 763.43 | USD | 20251204 |