China Ningbo Jiaerling Pneumatic Machinery Co.,Ltd. is specialized in production of pneumatic elements, mechanical valve, mechanical valves. It takes the lead in passing ISO9001 quality system certification and UKAS system certification in this industry. It is a member of pneumatic branch of China Hydraulic and Pneumatic Seal Element Industrial Association, and a trustworthy unit in quality of product appraised by the Technical Supervising Bureau. It has the power to engage in import and export trade. Good product----is the permanent aim of Jiaerling. It is this firm persuasion that has created JELPC brand name. The products, mechanical valve, mechanical valves, hand-pull valve, hand-switching valve, foot valve, hand-draw valve, hand valve, one-way throttle valve, quick exhaust valve, shuttle valve, slide valve of the company are not only well sold in the domestic market, but also exported to Europe, USA, the Middle East and the Southeast Asia. It is one of the earliest companies that export pneumatic elements in large quantity.