| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 959.35 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1199.19 | USD | 20251027 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1269.73 | USD | 20251027 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |