Donghe Environmental Protection Technology Co., Ltd, located on the bank of Nanning Canal, headquartered in the Nanning High-tech Park, is an scientific and technological enterprise specializing in the treatment and recycling of industrial waste.

Our company has developed its own team of experienced engineers and technical experts, among which are three PhDs, and six senior engineers. We hold advantage in advanced technology and abundant practice experience. The company consists of three research and development centers: R&D of Industrial Waste Treatment; R&D of Resources Recycle; R&D of New Energy Technologies. Some of our technologies and products have been widely adopted national wide by more than 10 chemical plants in the field of chemical, smelting, papermaking, food industry and etc... Our company builds up a strict quality management system and our analyzing and testing methods could work out a perfect, efficient, and economical solution for our clients, help them benefit from energy-saving, emission reduction.

We hold a strong belief in our ideal: "We're dedicated to refining our environmental protection technologies and increasing benefits from recycling; we should take on the duty of initiating a green development and realize a mutually beneficial goal in the future. " We adhere to the operating principle: "Clients, Quality, Practice, and Efficiency should be the first priority. " We are destined to the cause of sustainable development. With our advanced technologies, high-quality products and first-class service we are strengthening our cooperation with related industries big and small.

Our company's vision: to transform the industrial waste into valuable resources; to convert all the investment in environmental protection into a competitive advantage.

Our business positioning: to encourage innovative technology; to test our products in practical effectiveness; to reach a mutually beneficial goal with our clients.

Our operating principle: Clients, Quality, Practice, and Efficiency should be the first priority.

Our tenet:

To be a guardian of the environment;

To advocate sustainable development and cleaner production;

To employ recycled materials in our factory;

To invent more innovative environmental technologies;

To cooperate with clients with a common goal.

Our technological achievements include:

1. Improvement of electric coagulation technology for wastewater treatment.

2. Improvement of application technology of polymeric ferric sulfate flocculating agent in the manufacture of clean water;

3. Utilization method of sulfur ore in the hardening, magnetizing and roasting technique;

4. Utilization method of ferrous sulfate ( a by-product ferrous sulfate of titanium white) in the manufacture of iron oxide and fibrous gypsum;

5. Utilization method of waste sulfuric acid in the manufacture of white gesso and fibrous gypsum;

6. Method for cleansing exhaust SO2 gas in low concentration and co-production of ammonium sulfate and magnesium sulfate in the process;

7. Method of industrial waste gas treatment with high pressure technique and electrostatics;

8. Treatment of wastewater containing arsenic and co-production of arsenic in the process;

9. Technique for the purification and concentration of biogas.