Changzhou liyu spring co., ltd was established in 1994, located in jincheng industrial park, jintan district, Changzhou city, with beautiful environment and convenient transportation. We are very focused on compression springs, extension springs, torsion springs, scroll springs, Canted or Slant Coil FlexForce springs, spring clamps, electronic cigarette heating wire springs, cold bending abnormity and other springs, focusing on various precision small springs with wire diameters of 0.1 ~ 6 mm. We has imported advanced technology from Europe and the United States, and imported a full set of automatic production equipment and quality testing equipment. We have more than 100 sophisticated equipment processing production lines, such as fully automatic computer spring pressing machine, torsion spring machine, tension spring machine, linear forming machine, CNC computer machine, etc. At the same time, it is equipped with various computer testing equipment, such as electronic spring tension and compression testing machine, digital display spring testing machine, desktop projector, salt spray testing machine, tension material testing machine, fatigue testing machine, etc. We Have strong technical force and fully guarantees to meet various requirements of customers. Our products passed the ISO/TS16949 International Quality Management System Certification of NSF Certification Company in 2008. In 2015, our company built a new closed dust-free workshop, updated IATF16949 certification in 2018, and passed ISO13485 medical device quality management certification. In order to ensure the quality to be absolutely excellent, we have imported wires from Japan, Germany and South Korea as well as high-quality domestic wires for customers to choose from.We sincerely welcome you to come to our factory for consultation and negotiation.