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Wenzhou Longwan Donghai Butterfly Valve Factory was founded in 1988. Its predecessor was Yongchang Donghai Butterfly Valve Factory. After more than 20 years of continuous innovation and development, it has formed a butterfly valve as the leading product, integrating professional research, development, production and sales. The enterprise has obtained ISO9001:2000 quality system certification and TS certification of national special equipment manufacturing license (pressure pipeline components). The main products include multi-level metal hard seal butterfly valve, soft seal butterfly valve, ventilation butterfly valve, worm gear butterfly valve, fluorine lining butterfly valve, rubber lining butterfly valve, wafer butterfly valve, etc. Products are widely used in power, petrochemical, natural gas, paper, municipal environmental protection and other industries.

Donghai butterfly valve is committed to taking technical innovation as the guide, achieving quality assurance with advanced and scientific management mode, repaying the great love of users for Donghai butterfly valve with good reputation, adhering to the business philosophy of "everything for user satisfaction", we are willing to provide users with better quality products, more reasonable prices and more perfect after-sales service. We sincerely welcome new and old customers to work together to create brilliance!