Two companies of DOING HOLDINGS have successfully passed the qualification audit, officially entered the ranks of National High Technology Enterprise.
On November 11,2022,a Taiwan customer purchased a tire steel wire separator cutting machine from DOING factory.
On Novmber 4th, 2022, the mini 500kg/d waste plastic/tyres pyrolysis and pyrolysis oil distillation production line purchased by the Italian customer has been successfully delivered from Henan DOING Factory.
On October 20, 2022, DOING successfully signed a 500kg/d waste oil distillation plant contract with a customer from Johannesburg, South Africa.
On September 19, 2022, one set of tire packing machines was successfully packed and sent to Sydney,Australia from DOING production plant.
On September 15, 2022, a Nigerian customer successfully ordered a 14TPD newly designed waste oil refinery from Doing Company. It can effectively and environmentally recycle various waste oil and crude oil into diesel oil.
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