Wenzhou ding ji valve Co., Ltd. is a specialized balll valves manufacturer integrating design, development, manufacture and after-sales service. Main products include pneumatic, electric and manual-controlled ball valve, stop valve, check valve, filter, gate valve3, butterfly valve and so on in the connection ways like inner thread, outside thread, socket, welding and flange, they are widely applicable for the fields involving petroleum, chemical industry, natural gas, light industry, power supply, pharmacy, dyestuff, metallurgy, fibre&texitile, foodstuff, war industry, construction engineering, refrigeration and water supply, etc.