Hebei Hongbang Butterfly Valve Co.,Ltd. engages in professional R&D,production,sales of valve manufactures,.The company has been developing quickly for 10 year with the efforts of all staffs, which main products are wafer butterfly valve,lug butterfly valve, flange butterfly valve,dual plate check valve and gate valve,DN40-1200, 0.6/1.0/1.6Mpa.