A set of performance reliable products.such as type DBflanged butterfly valve,wafer butterfly valve and check valve ar widely applied to petrochemical industry.
A set of performance reliable products.such as type DBflanged butterfly valve,wafer butterfly valve and check valve ar widely applied to petrochemical industry.
DB型法兰蝶阀、对夹蝶阀、止回阀等一批性能可靠的产品广泛应用于石化工行业。