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| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.18 | USD | 20251020 | 
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1070.83 | USD | 20251020 | 
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 972.2 | USD | 20251020 | 
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 803.12 | USD | 20251020 | 
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1099.01 | USD | 20251020 | 
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1099.01 | USD | 20251020 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 767.9 | USD | 20251020 | 
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 767.9 | USD | 20251020 | 
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 767.9 | USD | 20251020 |