founded in 1985,our factory has ob taieed iso9000 certificate.at present,our factory mainly produces ansi,jis,din and gb sluice valve,check valve,ball valve,butterfly valve and plug valve etc..the products are widely used for the fields as petroleum, chemicals,metallurgy and electricity ect..and expoted to overseas markt.relying on reliable and stable performance,the products have widely won rtust from customers.

along with the market competition that is riercer and riercer day by day,our factory actively develops new products and comstantly improves product quality and strictly carries out provides before-sale and service and sincerely hopes to establish long-term partnership with you.

shengyi valve plant aims at the development strategy of quality first and respecting talent.through several years's efforts,c constant extension of market,cooperation with foreigner tradesmen and introduction of advanced technology from abroad,shengyi people have been walking a bealthy development road.

Weihua Group started from a humble operation in 1988 and grew to sizable group with integrated business segments in crane research, development, design, production, sales, installation, import and export and services.  Weihua Group is capable of producing 9 series, a total of more than 200 types of products as bridge crane, gantry crane, harbor crane, electric hoist and steel structure.  There are 12 subsidiaries with more than 5000 employees within the group.  Among them, there are more than 800 middle and senior professional technicians and management staffs. Weihua occupy an total production area of more than 1,000,000 square meters and has more than 3,000 various testing devices. The total asset is about 2.1 billion RMB. 
　　Weihua Group served the Heavy Machine Industry Association, Material-Handling Machine Association and Bridge Crane Sub-association of China as Deputy Chief Director. We are obtained ISO9001 quality management system, ISO14001 Environment management system and OHSAS18001 career health and safety management system certification since 1999.
　　Our branch in Shanghai - Shanghai Great Coast Port Machinery Ltd was established in June 2007, this establishment built the foundation for Weihua to enter into the international port machinery market.
Our teams are chartered with the mission of 'Creating international brand of Weihua, vitalizing national industry' and open a new chapter in the history of crane production with its continuous efforts and in pursuit of greater core competitive advantages.