Otto Arc Systems, Inc. is located in El Dorado Hills, CA. We specialize in orbital welding, facing, squaring and beveling equipment. We also offer robotic and mechanized welding systems. Our beveling and facing machines come with either an air or electric motor and are portable to the job site. Our orbital welding machines can also provide assistance out in the field thru fushion, fill and pass welds. We also carry a variety of accessories such as, tool bits, saw blades, weld heads, tungsten electrodes and much more. Please call us for questions or stock info.