About Us

Henan Doing Environmental Protection Technology Co., Ltd. has been dedicated to the research and development of large and medium-sized renewable energy environmental protection equipment and a variety of waste recycling equipment for years. We are professional manufacturing enterprise which gather development, design, production, sales, installation and after-sales service in ...

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FAQ

To start a plastic pyrolysis business in India, the following preparations are essential: d...
The price of the oil sludgedisposal machine varies from 35,000USD to 1,280,000USD. The deta...
Many countries explicitly classify used motor oil as a kind of hazardous waste, and we can ...
There are mainly two options for waste tire/plastic pyrolysis recycling machines, one is th...
We can adopt waste lubricating oil refinery plant to recycle the waste lubricating oil into...
Three factors require to be considered when starting waste tire recycling business: markets...
Residual fuel oil is very popular in Ghana but has recently been banned by the government. ...
Based on the feedback of Doing Company’s Australian customer, the local government requir...
Waste tire can be pyrolyzed into fuel oil, carbon black, steel wire and uncondensable gas b...
Waste plastic pyrolysis plant can not only solve the pollution problem of waste plastic, bu...

News

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A set of 100kg/d frame type plastic/tire recycling pyrolysis plant was successfully delivered to Mexico!
On July 22, Doing Company's 100kg/d small scale waste plastics and tyres pyrolysis plant ,which can convert waste plastic/tyres into fuel oil and carbon black was shipped to Mexico on time.
2022-08-04
15TPD Semi-continuous waste tire recycling pyrolysis machine was delivered from DOING Factory
On July 15, 2022, some of the four 15TPD semi-continuous waste tire recycling pyrolysis machines have been successfully loaded and sent to Fujian from Doing Factory.
2022-07-21
500Kg/d waste tire and plastic pyrolysis machine was delivered to Korea from DOING Factory
On June 20, 2022, the 500KG waste tire and plastic pyrolysis machine ordered by Korean customers was successfully loaded and ready to be delivered to Korea.
2022-06-30
 15TPD new type tyres pyrolysis plant and 10TPD used oil refining plant delivered to Japan from DOING company!
On June 10, the 15TPD new designed waste tyres pyrolysis plant and 10TPD new design pyrolysis/waste oil refining plant passed the strict quality inspection of DOING plant engineers, and the pyrolysis plant and waste oil distillation plant were loaded from
2022-06-16
China Fujian customer ordered 4 sets of 15TPD waste tire pyrolysis plants from Doing Company
On May 18, 2022, a China Fujian customer successfully ordered 4 sets of 15TPDaste tires pyrolysis plants from Doing Company. And he thought highly of the good quality and high safety degree of Doing Company’s pyrolysis plant.
2022-05-19
Prompt delivery hot sale products: 10tpd pyrolysis plant and waste oil refinery plant
Doing advanced the manufacturing of main spare parts of 10tpd pyrolysis plant and waste oil refinery plant, which can be directly and promptly delivered to your plant. All these machines will enjoy the most preferential prices!
2022-04-19
China Taiwanese customer bought a 500kg waste plastic pyrolysis plant from Doing Company
On March 16, 2022, a China Taiwanese customer bought a 500kg waste plastic pyrolysis machine from Doing Company. This kind of pyrolysis plant has frame type, which is very easy to install.
2022-03-22
American customer ordered the 500Kg pyrolysis plant and pyrolysis oil to diesel refinery plant from Doing Group
On March 15, 2022, an American customer successfully ordered the 500Kg pyrolysis plant and pyrolysis oil to diesel refinery plant from Doing Group!
2022-03-17
Tire unpacking machine ordered by Lebanese customer was delivered from Doing factory
After two days manufacturing and function testing, the tire unpacking machine ordered by the Lebanese customer was successfully loaded and delivered from Doing Company to Lebanon on March 9, 2022.
2022-03-15
Lebanese customer purchased tire unpacking machine from Doing Company
On March 7, 2022, a Lebanese customer made an order to purchase a set of tire unpacking machine from Doing Company. This kind of tire unpacking machine has labor and energy saving, high efficiency and low investment cost advantages.
2022-03-12
How to start a plastic to oil reverse business?
The following preparation works should be done to start a plastic to oil reverse business: get sources of plastics , do the market research for final products, get a piece of land with suitable size for putting plastic to oil recycling machines.
2022-07-26
How to make money by recycling used tires?
It's the most profitable used tires recycling way to adopt pyrolysis plant to pyrolyze used tires into fuel oil, carbon black, steel wire, etc.
2022-07-14
Why are the costs of transporting goods in Africa so high?
This passage makes a detailed introduction about the four reasons why the costs of transporting goods in Africa are so high. Fortunately, the high cost of transporting goods in Africa is gradually improving.
2022-05-12
Brazil customer ordered a set of 15T/D batch waste tire pyrolysis plant from Doing Group
On 18th,May, Doing Group got a new order from Brazil. The Brazil customer ordered a set of 15T/D batch waste tire pyrolysis plant. This is the second time that Brazilian customers have bought equipment from DOING Factory since May this year.
2021-05-22
How do you make oil from waste tires?
There I want to introduce a efficient and environmental protection way to make oil from waste tires.That is thermal pyrolysis equipment which can pyrolyze the tires at high temperatures.
2021-02-20
What are the factors that affect the oil yield of tire pyrolysis?
The oil got from pyrolysis of tires is mainly affected by the following several aspects:1. Type of waste tires; 2.Temperature control; 3. Condensing equipment.Therefore, when you do a tire recycling to oil project, you need to combine the above factors to
2021-02-19
How to choose a professional waste platic pyrolysis plant manufacturer?
How to choose a professional waste platic pyrolysis plant manufacturer? As a manufacturer of waste platic pyrolysis plant with more than 10 years of experience, DOING has disclosed the following points for your reference.
2021-01-27
How do I start a tyre recycling business?
Some investors have started to pay attention to tyre recycling business and obtain big profits from it. So next, I will share you how to start a tyre recycling business?
2021-01-23
Is converting waste plastic to oil project a successful business in India?
In general, converting waste plastic to oil project is a very successful business in India. Why do we say that? 1. Abundant raw materials; 2. Available raw material has high oil yield; 3. The price of final products is considerable; 4. Integral business c
2021-01-21
What is the profit of starting a waste tyre pyrolysis business in Pakistan?
Some investors in Pakistan often ask us what is the profit of starting a waste tyre pyrolysis business in pakistan? Next, we will calculate the profit of starting a waste tyre pyrolysis business in pakistan by using income minus cost.
2021-01-07
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