Shanghai Fengxin Environmental Science Technology Co., Ltd.focus on reverse osmosis membrane chemicals and technologies (scale inhibitors and antiscalants, RO membrane cleaners, flocculants and heavy metal chelating agent etc.)Parrot (the brand) reverse osmosis chemicals are widely used in membrane system of the following fields, such as industry waste water system, printing and dyeing reclaimed water reuse system , heavy metal waste water treatment system, landfill leachate treatment system and so on. We aim to provide stable and high-efficient products for clients, customized type chemicals for large engineering companies, and difficulty technologies research and development. Company has passed ISO 9001, and certified by Shanghai Disease Control and Prevention Centre. Based on East China Normal University, company grows fast, and own 96 patents, 2 trademarks, and 2 national science and technology innovation projects.