Shijiazhuang Duwa Piping Co.,Ltd is Flange,Blind Flange,Slip on Flange,Lap joint Flange,Pipe fittings Manufacturer, Supplier.
Why Choose DUWA:
Short delivery: 3days Ex-works
Quality Guarantee period is 2 times longer than others
Whole-package piping material supplier
0 quality complaint in 5 years, export to 123 countries and districts, 1000 overseas projects