CTH is a top spring brand in China, a leading enterprise of agricultural parts, and a member of the Elevator Association. As a professional spring manufacturer, we offer a full range of products including compression springs, extension springs, torsion springs, disc springs, wave springs, and wire-formed springs.? Our products are widely applied in key fields such as aeronautics & astronautics, rail transportation, agricultural machinery, elevator parts, engineering machinery, chemical machinery, petroleum machinery, graphite heat exchangers, and medical instruments.? With strong R&D and supply capabilities, CTH is a long-term partner of world-class enterprises and renowned domestic OEMs, including John Deere, New Holland, Bellota, Amazonen, Maschio, Lovol, Vermmer, etc., and has won wide recognition in the industry.