Ningbo Jiaerling Pneumatic Machinery Co., Ltd. is a professional Flow Control Valve Manufacturer,  the company was founded in 1995, with the workshop area of 50000 square meters. We have 400 employees, among whom more than 1/3 are professional technical personnel. We are able to design and manufacture pneumaticcontrol components(valves), executive components (cylinders), air treatment units and pneumatic tube.