4.Benzene products
| NO. | Project name | Client | Tower diameter/mm | Time |
| 1 | Modification of feed distribution pipe of debenzene tower | Beijing Yanshan Zhonghai Construction and Installation Co., Ltd. | Φ4200 | 2016.05 |
| 2 | Benzene production device of energy-saving transformation of two-stage hydrogenation unit | China Petroleum & Chemical Corporation Beijing Yanshan Branch | Φ1000/Φ1500 | 2015.12 |
| 3 | Light tower and naphthalene component tower of naphthaleneproduction device | Tianli Industrial Co., Ltd. | Φ2200 | 2015.05 |
| 4 | Comprehensive utilization project of 80,000 t/a heavy aromatic hydrocarbons | Maoming Hongxin Fine Chemical Co., Ltd. | Φ3000 | 2015.01 |
| 5 | 350,000 t/a phenol and acetone unit | Huizhou Refining & Chemical Branch, CNOOC Refining & Chemical Co., Ltd. | Φ5200 | 2015.01 |
| 6 | Reactive distillation and column internals design of pilot study on o-xylene liquid-phase oxidation technology | Yanchang Petroleum (Group) Company Refining and Chemical Company | Ф1000 | 2014.09 |
| 7 | Industrial test of new process of isopropyl benzene bubble point reaction | Sinopec Beijing Yanshan Branch | Φ2000 | 2014.09 |
| 8 | Methanol distillation tower of 15Kt/a o-cresol plant project | Hunan Xinling Chemical Co., Ltd. | Φ2200/600 | 2013.07 |
| 9 | Biphenyl distillation tower renovation project | Xuchang Longxingda Coal Chemical Co., Ltd. | Φ1200 | 2013.06 |
| 10 | 40,000 t/a C9 deep processing comprehensive utilization project | Chengdu Hongding Petrochemical Co., Ltd. | Φ3500 | 2013.05 |
| 11 | 50,000 t/a DCP project | Akzo Nobel Oxide (Ningbo) Co., Ltd. | Φ2000 | 2013.01 |
| 12 | 150,000 t/a mixed aromatic cutting plant | Guangxi Beihai Heyuan Investment Co., Ltd. | Φ1800 | 2012.10 |
| 13 | Tail gas treatment project of toluene oxidation | China Petroleum & Chemical Corporation Shijiazhuang Refining & Chemical Branch | Φ1400 | 2011.11 |
| 14 | Renovation of aniline dehydration tower of 70,000 t/a aniline plant | Shandong Haihua Co., Ltd. | Φ1000 | 2011.05 |
| 15 | Acetone demethanol reconstruction project of biphenol unit | China Petrochemical Corporation Yanshan Branch No. 3 Chemical Plant | Φ1500 | 2011.02 |
