After more than 20 years development, Tianjie Environmental Engineering Co., Ltd has become one of the biggest and also the most competitive corporations in the field of environmental protection in China. Its main products include electrostatic precipitator (ESP), bag-type precipitator, assembled precipitator, flue gas desulfurizer, and other types of environmental protection equipments. It boasts internationally advanced technological level and has been granted with more than 10 provincial and ministry-level patent rights and technological awards.
At present Tianjie Environmental Engineering Co., Ltd is the biggest privately-owned ESP manufacturing enterprise in China, occupying over 25% of the total market share. Its ESP performance includes 1×300MW units project for Baima Power Plant in Sichuan Province, 4×600MW unit project for Faer Power Plant in Guizhou Province, and 2×600MW unit project for Qiandong Thermal Power Plant, etc. In 2007, Tianjie Environmental Engineering developed ESP for 1,000 MW units and was included into the Provider/manufacturer list of main auxiliary equipments for 1000 MW units recommended by the Institute of Planning and Design of China.
In respect of other environmental protection products, Tianjie Environmental Engineering has also achieved great progress in recent years. Its desulfurizer and bag-type precipitator were sold abroad in the 2005 Huadian Indonesian Project, which has gained high opinion. Besides, Tianjie Environmental Engineering has recently produced drum-type vacuum washer with scrolled filter sheet in large sizes of 50m2, 70 m2, and 100m2, and 35 m2 pre-coat vacuum filter, making another pioneering step in China. Especially the 35 m2 pre-coat vacuum filter has been put into practice and has worked satisfactorily now in the alkali recovery project of Shandong Chenming Paper Industry, which is the largest and the most beneficial enterprise of national paper industry.