Zhengzhou Zuo&#39an Testing Technology Co., Ltd. is a new high-tech company, which integrates R&D, production and sales. It has offices and production centers in Beijing and Zhengzhou. The company focuses on rapid detection and on-line monitoring technology development and integrated solutions. At present, the products cover many fields such as toxicity detection, environmental monitoring, food safety, pathogenic microorganism detection and so on. Product types include optical analysis instrument, immunoassay instrument, electrochemical monitoring instrument and biological identification technology, etc., which have strong competitiveness. Zuo An&#39s service aim is to provide customized products and solutions according to customer needs.At present, our team has 25 people and 18 researchers, including 6 doctors and 10 masters. As of June 2018, there are 25 invention patents and 26 non-invention patents. We have an excellent team dedicated to the top enterprises in the field of bio-rapid detection.