... DIN2576,DIN2641,DIN2642, DIN2655,DIN2656,DIN2627,DIN2628,DIN2629,DIN2631 DIN2632,DIN2633,DIN2634,DIN2635,DIN2636,DIN2637 DIN2638,DIN2673Types: Welding neck FflangesSlip ... and gas fields. Following the principle of "Sincere Operation, Quality First and Customer Preferential", our company wholeheartedly welcomes all people ... with us for better development and a brilliant success. High Quality Flange