Zhejiang dynasty co., founded in 2005 by zhejiang dynasty ltd., has a clear technical and team advantage, has focused on the technological development and engineering applications of the environmental industry, has been studying and learning in depth for many years and has made groundbreaking progress. Over the course of more than a decade of development, companies have made great strides and become a large, integrated, energy-efficient and environmentally friendly enterprise, and market positioning and influence have increased rapidly. In addition to specialized technologies and advanced ideas, equipment and production lines in gas governance and wastewater treatment, the company has achieved good results in solid waste treatment on this business block, which has become more and more extensive. Over the years, companies have been studying the environmental industry chain and have developed many problem-solving solutions, which are good at home, even at the international level of technology and products, and can naturally easily take a place in the market. At the beginning of 2017, companies were listed on the shanghai stock exchange main board, an important milestone in the history of development and a new development platform for a better future. The environment has always been based on technology creation and talent development, and science and technology have been used to lead industry development, always market-oriented to meet client needs. The growing diversity and high standards of demand are the driving forces. The company owns provincial enterprise research and development centres, which are highly competitive in the domestic market, and has also sought partners, in strong association with the chinese academy of sciences, to set up a staff station. Even autonomous r & d results are significant, with 98 patents and academic exchanges with a number of institutions of higher learning, and technological results of collaborative r & d are of priority at the national and international levels。