For FlexOne Technologies, a small but growing electronics manufacturing services (EMS) provider, the European Union’s Restriction of Hazardous Substances (RoHS) law, has been both a challenge and an opportunity. FlexOne, based in San Jose, Calif., builds printed circuit boards, parts and subsystems for OEMs in a variety of industries including medical, defense, industrial control and communication. It builds medical camera interface assemblies, global positioning satellite (GPS) systems for golf carts, control systems for oil pipelines and various products for the U.S. armed forces. Its annual sales revenue is less than $5 million, but is growing due in part to RoHS. More