C.C.O is one of the Taiwan leading manufacturers of resistor with 24 years experiences , we specialized in producing a wide range of resistor , including Chip resistor, carbon film resistor , metal film resistor ,metal oxide film resistor, wire wound resistor , cement resistor , resistor networks , and so on.C.C.O is approved by ISO9001:2008. C.C.O products are compliance with RoHs rules .