Relying on the established key technology and equipment distributed water (1 + N) testing platform, China Yixing Environmental Protection Science and Technology Industrial Park launched "Park's 2015 Water Treatment Key Technologies and Equipment Advanced Catalog Selection" activities, the results of which have been announced recently. A total of five "five-star" products and 14 "four-star" products were evaluated in this catalog. The park encourages all relevant units to demonstrate and promote the advanced equipment listed in the "Catalog". It is understood that after 40 years of development and precipitation, Yixing has formed an environmental protection industry gathering area with over 1,800 environmental protection enterprises, over 3,000 supporting enterprises and over 100,000 employees. In order to further enhance the competitiveness of Yixing's environmental protection equipment and products, build Yixing's environmental protection equipment brand and reputation, upgrade the overall level of Yixing's water treatment technology and equipment manufacturing, promote the high-end and branding of water treatment equipment in the park, promote the concentration and transformation of the environmental protection industry in the park, China Yixing Environmental Science and Technology Industrial Park Management Committee in conjunction with the national water special subject "National Environmental Technology Assessment (BAT) and Extension System Research and Watershed Demonstration" (2013ZX07504-004) under the topic 3- "National Environmental Protection Industry Park Water Treatment Equipment and Technology Assessment And industry platform construction "task force, relying on the establishment of key technologies and equipment distributed water (1 + N) test platform, launched the park in 2015 key technologies and equipment for water treatment of advanced directory selection activities. The selection of the directory, a total of more than 4 months, the scope of the selection of the contents of the grid, scraper suction machine, aerator and membrane treatment equipment 4 products. Based on the performance testing of equipment, production companies on-site visits and product satisfaction surveys of users, based on scientific evaluation index system, a comprehensive assessment. "Yixing Environmental Science and Technology Industrial Park 2015 Water Treatment Key Technologies and Equipment Advanced Catalog"