"Virtue with behaviors, the world of pneumatic products"! Ningbo JKD Pneumatic Engineering Co; Ltd helps customers to get the jobs done by providing the best integrative services of product selection, local availability, speedy delivery and order simplicity in the industry. Our products are widely used in vehicle assembly lines, industrial automation products, home appliances, and so on. Our main products include air cylinders, reversing valves, fluid control valves, air combination ...