Zhenchao, founded in year 1998, is a professional manufacturer serving in the industry of pressure vessels protection. Our high quality products, such as pressure vacuum relief valves, gauge hatches, emergency pressure relief vents, flame arrestors and detonation flame arrestors would always work well to protect the equipment of loading terminals and storage tanks with their features of reliability and safety in the industries of chemical / petrochemical, pharmaceutical, landfill, wastewater, refining, pulp and paper processing, oil production and etc.

As being certified by ISO 9001:2008, Zhenchao could ensure its customers that we would have a high level controlling on all our activities, including valve designing , product engineering, product manufacturing, marketing and so on.

Moreover, a systematic management system has been developed by Zhenchao. With this system covering our product manufacturing, technology improving, product quality controlling, it makes people of Zhenhao .