Henan Doing Environmental Protection Technology Co., Ltd, the subsidiary company of Doing Holdings Co., LTD, is a comprehensive environmental equipment manufacturer integrating technological design, research and development, machine production, sales and after-sales service in one.

Our main business: solid waste and hazardous waste treatment equipments, pyrolysis plant and related environmental protection equipments including waste tire/plastic pyrolysis plant, continuous tyre/plastic pyrolysis plant, waste oil sludge pyrolysis plant, used motor oil refinery plant with the tail gas cleaning, flue gas desulfurization and purification equipments, as well as scrap cable wire, circuit board and other metal plastic separation equipments, etc.

We not only possess an independent technology R&D team who have obtained a number of utility model patents and invention patents, but also have the professional manufacturing team and after-sales team to guarantee you the product quality and user experience. Therefore, our E-commerce and marketing team can cooperate with these teams to provide you the best one-stop service. Besides, we have branches and overseas warehouses in Nigeria, with professional overseas sales and after-sales team, and our factory and warehouses have the whole set of advanced model machines. You are welcome to have a visit at any time.