ZHEJIANG DONGDA ENVIRONMENT ENGINEERING CO.,LTD. was founded in 2010, and located in zhuji city, zhejiang province, It covers more than 53000 square meters with an area of 18000 square meters for manufacture.Company as early as in 2003 successfully developed EDI (electric ion) ultrapure water equipment, in 2005 identified as "high-tech products in zhejiang province", in 2008 won the award for the "national key new product", the products are widely used in electric power, photovoltaic, electronics, medicine, chemical industry, coating, and other industries which need ultrapure water.