About Us

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.

Basic Information

Business Type  Manufacturer, Trading Company
Country / Region Henan, China
Brand Name DOING
Main Products Waste Tire/Plastic Pyrolysis Machine, Continuous Pyrolysis Plant, Waste Oil Distillation Machine and Other Auxiliary Equipment
Ownership Private Owner
Total Employees 101 - 200 People
Year Established 2011
Certifications ISO, CE, SGS
Main Markets All over the world
Industry Machinery
Factory Area 2000 square meters

Our Service

  • Visit the Factory

  • Warranty Within 12 Months

  • 24-Hour Online Q&A

  • Video Technical Support

  • On-Site Guidance Installation

  • Free Training for Workers

  • Provide Installation Tutorials

  • Professional Project Manager Follow Up

case case

contact us

If you wanna to get more details about Continuous Pyrolysis Plant, you can send E-mail to Or you can consult our professional engineers and specialized sales team by leaving a message in below form. We will contact you ASAP, once we got your message.





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