| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 889.42 | USD | 20251112 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1044.71 | USD | 20251112 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1044.71 | USD | 20251112 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1072.95 | USD | 20251112 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 974.12 | USD | 20251112 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 973.67 | USD | 20251111 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1100.67 | USD | 20251111 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1001.89 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1072.45 | USD | 20251111 |