Full Service Contract Manufacturer - Kleen Test Products Corporation Kleen Test Products, Kleen Test, KTP, contract manufacturer, wet wipes, dryer sheets, contract packaging, contract manufacturing, production outsourcing, request info from Kleen Test, liquid filling, tube filling, jar filling, die cutting, confectionery packaging, secondary packaging, sonic welding, concept to market, full-service contract manufacturer As a leading, full-service contract manufacturer, Kleen Test Products develops, manufactures and packages wet wipes, dryer sheets, liquids, pads, lotions, soaps, and more.