... .Mainly products our factory can produce as follows :1. Wafer type butterfly valve ( style : lever , gear box , pneumatic apparatus ... , electronic apparatus ), Fire-proof butterfly valve .2. Lug type butterfly valve , Double disc Check valve , Grooved end butterfly ... , actuator, pneumatic apparatus.6. Y-Strainer .7.Middle line flange butterfly valve (D341)8.Corrosion resistant butterfly valve .Our ...