A very great deal is demanded of a Valve spring and Om Sai always ensure that work closely with the customer in establishing the requirements of the new spring. The latest design methods for the valve springs, dynamic pre-calculation and high perfomance measurement and testing technology ensure that the component conforms to the maximum customer's wishes and runs without problems. Improvement of material surface can extend service intervals. The use of high value materials and innovative process ensures highest quality levels and maximum flexibility.