About Us


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.

DOYEN provides complete wastewater treatment system including sewage pump, chemical dosing machine, silos, slurry mixing tank, mud pump, chamber filter press, belt filter press etc. Its combined process technology in wastewater treatment has been successfully implemented in both municipal and industrial applications

All products that provided by DOYEN are designed for a long and reliable working life demanding with minimum operation cost. In addition to our ready models, we also welcome OEM/ODM orders.

History of Doyen Innovations
2015 Year

Full set of waste water treatment system with special design portal frame to Vietnam gas generating station.


2014 Year

Advanced design of belt press with prolonged gravity dewatering zone specially for mining industry like India coal recovery recycling.


2013 Year

Small type of waste water treatment system for small capacity with chamber filter press for dewatering.


2012 Year

We offered full set of waste water treatment system including silos, belt press, pumps, chemical mixing machine etc. to India Granite factory.


2011 Year

Overall Upgraded environmental belt press to Venezuela slaughter house waste water sludge dewatering


2010 Year

Our Squeezing type belt press first time entered into cassava wet pulp dewatering with high dewatering efficiency


2009 Year

Our Squeezing type belt press with 3 sets of nip squeezing rollers first time entered into America brewery wet pulp dewatering industry.


2008 Year

Our environmental type belt press with standard structure to India phosphate slurry dewatering