About us Established in 2002, located in Hangzhou, China, ZOGLAB Microsystem Co., ltd is a Sino-Canadian holding company specializing in manufacturing instruments for atmosphere and environment. After a decade's endeavor, ZOGLAB has developed various product lines ranging from temperature and humidity indicator, transmitter, data logger, high precision digital pressure recorder as well as CO2, O2, CH4 strength measuring instruments. Our goal is a professional manufacturer at monitoring Environment & Atmosphere. We welcome all customers from all over the world and we are looking forwarding to establishing long-term business relationship with you. Also, we're expecting new members. You can visit our website for your reference. If you have any question, please feel free to contact us.