About Us


pyrolysis plant manufacturer

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 pyrolysis plant, waste 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.

  • 10 years of manufacturing experience
  • CE & ISO certificated equipment
  • On-site guidance installation
  • Free training for workers
  • Warranty within 12 months
  • 24-hour online Q&A
  • An overseas warehouse established in Nigeria for better service
This is the headquarters office of DOING Holdings - Henan Doing Environmental Protection Technology Co., Ltd., located in Zhengdong New District, Zhengzhou City, Henan Province, China

Company Culture

  • DOING's group building activity on October 12 and 13, 2019

  • The 8th Anniversary Celebration of DOING was successfully held on March 15, 2019.

  • Sweet moment in DOING Company on 2019 International Women’s Day

  • DOING Company 2019 annual meeting successfully held on January 30

  • DOING 2018 Year-end Technical Seminar on January 29, 2019

Contact Us

Please feel free to leave your contacts here and your privacy is protected. A competitive quotation will be provided according to your detailed requirement within one business day.



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    +86 135 2669 2320
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