Thunder Composite Technologies has developed a unique and innovative line of lightweight composite leaf springs to replace the designed-flawed heavy steel springs currently available. With more stringent environmental regulations pertaining to miles per gallon, Thunder Composite Technologies has developed a spring and automated manufacturing process that saves an astonishing amount of weight from a light-duty truck. This equates to an average of 2~3 mpg of fuel savings, which is an outstanding savings of fuel per year without compromising performance or safety. Thunder Composite Technologies is linked directly to the leading machine tool builder in North America, www.harbouram.com . This partnership allows Thunder Composite Technologies to utilize over 35 years of machine tool building experience to create the most efficient and sophisticated production system for producing composite leaf springs in the world. Thunder Composite Technologies is a Canadian company and maintains strict quality control over its products from our experience in the Nuclear, Aerospace, and Automotive industries. Not many companies can lay claim to building components for nuclear reactors and automotive parts in the same day, it takes a devotion to high quality manufacturing!