| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1315.68 | USD | 20251211 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1160.06 | USD | 20251211 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1160.06 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1223.72 | USD | 20251211 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1202.5 | USD | 20251211 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1294.46 | USD | 20251211 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1294.46 | USD | 20251211 |