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.
Over the years, Doing Group adheres to the business philosophy of "Quality First, Credit Foremost", providing the best pre-sales and after-sales service and the most professional technical support to our customers, controlling the product quality strictly and constantly improving the machine design and production technology. Now, our products have sold well in more than 100 countries and regions around the world, including：
Pre-sales Technical Support
After-sales Installation Team
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