Welded Tubes, Inc. is a ISO/TS 16949:2009 certified company committed to making the highest quality tubing in the industry. W ... e pride ourselves in having a driven customer focus in service and technical knowledge; while our state of the art equipment makes us industry leaders in producing small diameter, heavy wall, high strength tubing. Please call us at 440.437.5144 or fax us at 440.437.5180. read more