On June 1, 2021, Tengzhou Zhongkepu Analytical Instrument Co., Ltd. won the bid for the Yashili International Mengniu Factory's food grade nitrogen analysis special gas chromatograph. According to customer requirements, the GC-2090 food grade nitrogen special gas chromatograph was tested and measured in various aspects, and the final results were recognized by the user. The specific testing requirements are as follows

According to user requirements, perform 6 consecutive sample tests to check the reproducibility error, which is less than 3%. After actual analysis, the error is less than 2%

The instrument noise requirement is less than 0.2mv, and after actual analysis, it is less than 0.1mv

The food grade nitrogen dedicated gas chromatograph produced by Tengzhou Zhongkepu has been successively used in Anqi Xiaomu (Yichang factory), Anhui Sennabei Biotechnology Co., Ltd., Beijing Fuyinong ChestnutMeizhijian (Huzhou) Biotechnology Co., Ltd. and other food and pharmaceutical companies have gained recognition from users for their quality and service