NINGBO BOLIN ELECTRONICS TECHNOLOGY CO.,LTD. was founded in 1988 and has introduced advanced production equipment both from home and abroad. Bolin is professional at designing and manufacturing Membrane Switch , Overlay, Flexible printed circuit and EMI shield product. we have the professional team which have more than 20 years experiences in membrane switch industry. We have established a steady cooperation relationship with the domestic and foreign well-known electronical customers, such as SIEMENS , SANYO , MIDEA , SUMSUNG, BAYER etc . Meanwhile , some of our products have been exported to Europe and American market. We also have been qualified ISO9001:2000 and certification and all the materials we are using are RoHS compliance.