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.

Relying on excellent technical R&D strength and innovative spirit, our company has won up to 23 new utility patents and invention patents. And our company is honored as the National High Technology Enterprise awarded by the Municipal Science and Technology Commission.

Our main business: solid waste and hazardous waste treatment equipment, waste tire /plastic/oil sludge/rubber/aluminum plastic pyrolysis plant, pyrolysis oil/used oil to diesel distillation plant, and related environmental protection devices. Now, our products sell well in 100+ countries and regions around the world.