Henan Doing Environmental Protection Technology Co., Ltd is a leading manufacturer specialized in edible oil extraction machine,peanut oil extraction machine,soybean oil extraction machine,sunflower oil extraction machine,rapeseed oil extraction machine,rice bran oil extraction machine,sesame oil extraction machine,palm oil extraction machine and other oil seeds extraction machine.Our company service includes:technology design, installation and debugging, technical training, relocation of oil plant, technology reform and turnkey project.Our edible oil extraction machine have gained many achievements and awards. And we have installed edible oil extraction machine in more than 20 countries over the world. Such as Malaysia, Indonesia, Nigeria, Liberia, Thailand, Congo, Zambia and Uzbekistan and so on.Our products include:Pretreatment &pre-press1, 5-30T/D small scale cooking oil pretreatment & pre-press production line2, 30-500 T/D medium-sized cooking oil pretreatment & pre-press production line3, 500-2000T/D large-scale cooking oil pretreatment & pre-press production linePalm fruit /palm kernel oil processing machine;1-2-3-5TPH small palm oil processing machine15-30-45-60-80-120TPH palm oil processing machine;5-600TPD palm kernel oil processing machine;Solvent extraction plant:30-500T/D cooking oil solvent extraction production line;500-2000T/D cooking oil solvent extraction production line;Cooking oil refining:1-2-3-5-10TPD batch cooking oil refinery machine;10-15-20-25-30-50TPD semi continuous cooking oil refinery machine;50-80-100-150-300-600TPD full continuous cooking oil refinery machine;The headquarters of DOING HOILDINGS is located in Zhengzhou the capital city of Henan province, where it takes 30 minutes' driving from the Xinzheng International Airport(CGO) and only 20minutes' driving from east high-speed railway station, and the transportation is very convenient. Also we specially prepare cars for customers' pick up.DOING HOILDINGS welcome your visit!