Our company is mainly manufacturing spring testing machine, spring production equipment and testing equipment with three series of shaft. Company is keeping the words of "the quality first, the user first" for the purpose . The performance and accuracy of the product in our company has been in the leading domestic market and also reached the international advanced market. The company's R & D coil machine, fatigue testing machine and other several techniques have obtained the national patent of "resonant spring experiment apparatus", "force conversion type spring experiment apparatus" "numerical control hot spring coiling machine". At present it has the spring testing machine, CNC coiling machine, spring end grinding machine, torsion testing machine and nearly ten series of a hundred varieties . Our products are widely used in the fields of locomotive, automobile, aerospace, nuclear weapons enterprise, appliances and other industries, and exported to Europe, America and ASEAN countries.