DOYEN is a Chinese company that designs and manufactures the most cost effective wastewater treatment system & equipment for over 10 years. Both in China and overseas, DOYEN can provide its customers economical solutions based on combined experience and innovative engineering design with proven application expertise.


Since 1998, we have won a good reputation among our customers. We specialize in the manufacture and export of water and waste water machinery&equipments. Our products are mainly exported to Western Europe, the United States and Asia.


Our 10-year-experienced R&D engineers are developing functional products. Our main products include sludge dewatering equipment like belt press, plate and frame filter press, chamber filter press; water treatment systems like RO(Reverse Osmosis) system, UF(Ultra filtration) system, MF(Micro filtration) system, water vending machine and all kinds of water tanks. In addition to our ready models, we also welcome OEM/ODM orders.



Adhering to our company principle of "Creating value for you", we are consistently working toward more benefits for our customers. Please contact us now to learn more.