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Doupu (Sichuan) Biotechnology Co., Ltd., affiliated to Chengdu Hecheng Filtration Technology Co., Ltd., is a national high-tech enterprise specialized in the research and application of membrane separation technology and filtration technology. The team has more than 15 years of rich filtration experience in multiple industries. Engineering and technical personnel account for 40%. At the same time, it maintains close technical cooperation with more than ten key universities. It has a professional, efficient and innovative engineering technology research and development center and production workshop. While providing users with advanced filtration integrated systems, it also provides professional technical consulting, high-quality technical services, high-quality design and manufacturing, and turnkey projects for complete production lines.At present, the team has developed multiple series of filtration integrated systems, professionally solving problems such as filtration and separation, purification and refining, concentration and desolventization, decolorization and desalination in the material production process, helping customers obtain generous filtration investment returns and maintain technological advancement. It is widely used in biopharmaceuticals, fine chemicals, plant extraction, food and beverage, environmental protection and other fields.