Yanzheng in 2011, Shanghai Yanzheng is a high-tech enterprise that specializes in providing complete sets of experimental equipment for micro reactors, small-scale and pilot scale side line prying for research institutions in industries such as petroleum refining, petrochemicals, material synthesis, coal chemicals, pharmaceuticals, environmental protection, and clean energy. The company focuses on using stirred tanks, fixed beds, fluidized beds, and other types of reactors as core modules, and customizing various types of catalyst evaluation, process optimization, process amplification verification, and industrial demonstration equipment according to user requirements. The reactor scale ranges from a few milliliters to several cubic meters, and is equipped with front-end feeding modules, back-end separation and collection modules, and public engineering module self-control systems. The company is headquartered in Shanghai, adjacent to the Jinshan Chemical Zone, with branch offices established in Beijing and Guangzhou, employing more than 150 people and possessing 28 patents and multiple proprietary technologies. The company has obtained a special equipment production license for fixed pressure vessels, including medium and low pressure vessels (D), ISO9001:2015 quality system certification, and EU CE certification. Currently, it has delivered over 10000 types of reactors and fixed bed reactors to users, and its products are exported to countries such as the United States, India, and Australia.