Ningbo Wanbao Electric Co.,Ltd was founded in 1990 as a company focus on gas safety extinct protection device,annual sales 25million sets. Products have various kinds of electromagnetic valve,thermocouple and gas valve which are widely used in cookers, ovens, wall-hanging stoves and gas heaters. Covering an area of 32000 square meters, and having over 400 employees, our company integrate R&D, production and trade together. Obtained ISO9001:2015, ISO14001:2015 management system certification and qualified supplier class A certification(the national testing center of gas stove). we participate in the formulation and revision of national flameout protection device standard every session. With the first class experimental equipment, analytical instruments and highly qualified technical personnel, which are capable to conduct a comprehensive checking for all the specification and strictly control each procedure to ensure the reliability and stability of our product.