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: Full continuous type&batch type waste tire plastic/rubber/oil sludge/aluminum plastic pyrolysis plant, waste oil and crude oil distillation equipment and related environmental protection equipment.

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.