China SA350 LF1 B16.5 Long Welding Neck Flange Manufacturer Provides SA350 LF1 B16.5 Long Welding Neck Flange, 3 Inch x 12 Inch, Class 600, Galvanized.
China EN10253-2 Type B P235TR2 Concentric Reducer Supplier Offers EN10253-2 Type B P235TR2 Concentric Reducer, 323.9mm x 273mm, SCH 40, Black Painting.