Tianjin Hengyuan Valves Co., Ltd. specializes in the development,manufacture,marketing and after-sales service of valves.Our main products include butterfly valve,check valve,gate valve,strainer ,related components of valve and etc. Located in Tianjin,just 20 km away from Tianjin port, we thereby have convenient access to major transportation networks. Strictly quality control covers every procedure,from material sourcing and processing through to testing and packing.In recent years,our ...