Qingdao Navid Biotechnology Co., Ltd. is located in Qingdao, China's beautiful sailing capital.The company aims to "make nucleic acid detection easier", focusing on developing new, simpler, visualized nucleic acid detection technologies and providing customers with a powerful platform for rapid detection of nucleic acids.

The company has full intellectual property rights of denaturation bubble-mediated strand exchange amplification (SEA), which is the world's leading and the simplest nucleic acid isothermal amplification technology by far.

SEA technology has been developed in response to the demand for point-of-care testing of nucleic acid which integrates three innovative R&D achievements of RNA/DNA targets, isothermal amplification, and rapid identification together,and the results can be readout rapidly by fluorescence or colorimetric method. It has a wide application prospect in the fields of medical health, food safety, inspection and quarantine, environmental monitoring and animal epidemics.Besides SEA technology is suitable for combining with microfluidics and applied in POCT field.

Our team has published more than 30 SCI papers, applied for one international PCT invention patent, 10 chinese invention patents. More than 20 innovative detection kits for food safety have been developed, including on-site detection kits of pathogenic bacteria and foodborne pathogens, bring customers a new experience about rapid detection.


Patents for invention


Articles published 



SEA technology is a simple, rapid and visualized isothermal nucleic acid detection technology.The scientific research team of the company found that Bst DNA polymerase could reverse transcribe the important characteristics of RNA, and combined with the optimization and improvement of isothermal amplification technology, a new one-step isothermal amplification technology platform for RNA was constructed.Relevant Scientific research results have been published in high-level academic journals such as journal of the American chemical society, Scientific Reports, a sub-journal of Nature, and chemical communication, a journal of the royal society.SEA technology is considered as the simplest nucleic acid isothermal detection technology.


Pathogenic microorganism detection series Species identification series Animal disease detection series Medical series Scientific research series Instrument series
Pathogenic microorganism detection series

This product is used for rapid detection and screening of food-borne pathogenic microorganisms such as staphylococcus aureus, Escherichia coli O157: H7, listeria monocytogenes, vibrio parahaemolyticus, salmonella and bacillus cereus .

Species identification series

This product is used for rapid detection and screening of pig, bovine, sheep, duck origin components in food and animal products and animal tissues.

Animal disease detection series

This product is used for rapid detection and screening of canine parvovirus and other animal diseases.

Medical series

A series of respiratory pathogen detection products are under development and will be available soon.

Scientific research series

Extraction, Amplification and Detection Reagent for Scientific Research

Instrument series

Navid biotechnology isothermal fluorescence detector (ND200) is easy to use and easy to carry with accurate temperature control. Its suitable for food safety, animal disease, aquatic products detection and other isothermal detection scene



Welcome to inquire, become the leader in nucleic acid detection industry.


  • 0532-88330805
  • navid@naidesw.com
  • Room 702, Science and Technology Innovation Building, No. 171 Shandong Road, Qingdao, Shandong, China
  • www.naidesw.com

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