Profile: KATA Engineering specializes in providing 5-axis milling, precision turning and rapid delivery for low volume production and prototype orders. We are an ISO 9001:2015 & AS9100D certified company. Black Oxide coating service converts the iron of the surface to a naturally occurring black iron oxide with adding virtually zero thickness to machine part. We have large 250 gallon tanks that are 36" wide x 48" long to be able to handle a big variety of part sizes.