1) -CE certification, ISO 9001:2000, Production Assessment, Gold Supplier certificated
2)- Monthly Production Capacity -- 100 Sets
3)-All goods examined before delivery
4)- Initiator of new screen changer in China, with 20-plus years of R & D and Production experience,
5)- More than 20 international invention patents and national invention patents.
6) -Prompt Reply within 12 Hours
7) -10000 square meters work environment
8)-Chinaplas, K Exhibition, etc international Exhibition yearly
9)-Various products such as plate type, double pillar type, new belt type, continuous and backflush type screen changers that ensure the screen changing without machine halt or material leakage.

Zhengzhou Deao Science & Technology Co., Ltd specialized in the production of screen changer without machine halt. It is the initiator of new screen changer in China. With 20-plus years of R & D and Production experience, DEAO has become a new and high tech enterprise with independent intellectual property rights and the most complete specifications and varieties of screen changers. It is one center of the innovative technical project of Ministry of Science and Technology; a patent pilot and important service supplier in Zhengzhou city, an enterprise accomplished the important scientific and technical research project of Henan province.

DEAO holds more than 20 international invention patents and national invention patents. Its technology is taking an international leading position. It has developed various products such as plate type, double pillar type, new belt type, continuous and backflush type screen changers that ensure the screen changing without machine halt or material leakage. Those screen changers are applicable to all kinds of materials and products, and helpful to increase the production output and decrease the energy consumption. The products of DEAO are characterized by their advanced technology, excellent quality, and stable performance, and thus well received by customer home and abroad. They are well sold in China and also exported to Europe, the United States, Russia, Japan, Korea, South Asia and the Middle East, etc.

DEAO melt filters meet the very highest quality standards and stand out through their robustness, high degree of automation and high-performance availability. The right system with the right size and the right filtration fineness is available for all needs, depending on the field of application and the throughput range.

DEAO is driven forward by self-independent innovation, and keeps improving the quality of its products and services. It is contract-observing and promise-keeping, dependent on quality for survival, and customer-oriented for their requirement and satisfaction.
Since developed and made the first new screen changer in China, DEAO gradually developed into scientific research and production management team with experts , professors, doctors ,masters and undergraduates as the main body. DEAO has passed ISO9001-2000 international quality management system certification in 2000. In order to continuously improve product quality and pursuit excellence, DEAO ensures that every link in the production chain has precise and subtle inspection measure parameters.
Since it was founded, DEAO has never stopped developing. Many groundbreaking inventions and patents in the field of plastics recycling together with permanent growth and entering new markets speak for themselves.
It hereby sincerely invites customers home and aboard visit our factory, we look forward to a bright future with joint efforts in the field of plastic-related machines.

If there is any problem about screen changer, please contact DEAO
If there is any requirement of screen changer, please contact DEAO
Problems will end in DEAO
Free phone helpline: 400-0371-255