Manufacturer of blood bank reagents. Products are used for distinguishing types of donor cells, which are then mixed with serum and cross-matched to produce one particular blood type. Other products are used to detect hemolytic disease of the newborn and to check for the presence or absence of the Rh factor. Products are sold to hospitals, blood banks, and laboratories. The bulk of revenue is derived from activity in the chemicals industry. International sales but percent of sales unknown. Products include blood bank reagents, blood testing reagents, rh factor test reagents.