JONLOO is an industrial butterfly valves manufacturer & supplier in China for more than 20 years. JONLOO company is mainly focus on Centric, Double Eccentric, Triple Eccentric butterfly valves with Rubber Seat, Teflon Seat or Metal Seat. JONLOO butterfly valve is available in three connections---wafer, lug and flange end. For different applications , JONLOO supplies kinds of materials for customer's choose, like Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel, Aluminium Bronze, etc.