Henan Doing Environmental Protection Technology Co., Ltd

E waste recycling machine manufacturer


About Us



Henan Doing Environmental Protection Technology Co., Ltd affiliated to Doing Holdings Co., Ltd, lies in Zhengzhou, Henan Province, China. It is a comprehensive environmental protection equipment manufacturing enterprise integrating process design, technology research and development, manufacturing, sales and after-sales service.

Our manufacturing factory convers an area of 40000+㎡, all customers are welcome to visit and test machine with the materials. Besides, we have the branch office and overseas warehouse and are building fabrication factory in Nigeria, Africa(19B Kudirat Abiola Way Olusosun Bus stop, Ikeja, Lagos, Nigeria), to provide customers convenience of picking up machines from warehouse directly more conveniently.



Help to standardize and optimize the work flow and improve the work efficiency and service level
  • Quotation reference


    Quotation reference--Reasonable price system, to provide you with the value
    of the optimization program and quotation.

  • Customer visiting
  • Contract signing


    Contract signing--The two sides signed the contract agreement, and enter into
    the next step for the operating process.

  • On-the-spot investigation
  • Engineering design


    Engineering design--Safe and reliable professional design team, management specialization,
    guarantee the project to be delivered on time and high quality delivery.

  • Manufacturing
  • Delivery and transportation


    Delivery and transportation--Timely and accurate delivery, tracking the movement of goods at any
    time, to ensure the safety of goods, on-time delivery to the site to ensure the smooth progress of the project

  • Installation and debugging
  • After sales service


    After sales service-- A full range of after-sales service, to
    show you continuous solicitude, save your time and energy.

  • Quotation reference
  • 02/

    Customer visiting

    Customer visiting--Always welcome your arrival,
    to provide you with a full range of services.

  • Contract signing
  • 04/

    On-the-spot investigation

    On-the-spot investigation--According to the customer's different project
    requirements and on-the-spot investigation, customize to achieve the optimum design scheme.

  • Engineering design
  • 06/


    Manufacturing--normalized the operation, strictly follow the national
    standards, guarantee both quality and quantity

  • Delivery and transportation
  • 08/

    Installation and debugging

    debugging and runing-- the technicist of High technical level, strong sense of responsibility to
    provide customers with professional installation and debugging preparation to ensure that the subsequent stability operation.

  • After sales service


  • our team

    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.


    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 60 countries and regions around the world, winning great praise and trust of our customers all over the world!

  • our strength

Company activities

company activities

In order to enrich the amateur life of employees, DOING company organizes events from time to time, such as celebrating the anniversary of DOING company, organizing employees to expand our quality, and climbing tours with employees. These collective activities not only enriched employees' lives, but also brought us closer together and added more feelings and tacit understanding.

Quality certification

Quality certification

Our products have passed international ISO9001 quality and management system certification. We are committed to providing cost effective machinery and equipment which conform to the international quality standards. Therefore, we apply stringent quality tests at each and every stage of production.

Contact Us

If you want to get more details, 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.



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