Our company is specialized in the production of the folder-type check valve , products are H76、H71、H42 and other manufacturers .Our low price and high quality of Company ，the credibility of the first concept， in the valve industry to create brand for the large number of users to produce better quality ，the product line better . Our company is a research，development，production ，sales and after-sales business into a valve，the main varieties of international and Japanese standard ，British standard ，French standard ，American standard ，non-standard and so on . Widely used in petroleum products, Chemical .Power. Construction. Paper. Mine. Water and other industries. Our company adheres to quality first ，clients first ，clients first ，integrity-based business approach to the availability ，credibility ，reliability of the three as the goal ，create “dingxin” first –class brand names ，at preferential prices ，excellent quality of dedication welcome to domestic and foreign businessmen.