软密封蝶阀

The main products of HEbei Hong Bang Co.,Ltd.are butterfly valves,check valves and gate valves with perfect craftwork,fine quality and reasonable price,exported to many countries,like US,Canada,Germany,France,South America API,Germany DIN and Japan IS.Valves may widel used in the following fields,such as electric power,chemical industry,metallurgy,oil refining,pharmaceutical,oil and gas pipelines,urban construction,ect.