| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 903.53 | USD | 20251112 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 924.71 | USD | 20251112 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 804.71 | USD | 20251112 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 762.36 | USD | 20251112 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 931.77 | USD | 20251112 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 790.59 | USD | 20251112 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 790.59 | USD | 20251112 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 875.3 | USD | 20251112 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 776.47 | USD | 20251112 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 776.47 | USD | 20251112 |