- Raw Material Selection: High-quality steel, stainless steel, copper alloys, and other raw materials from renowned domestic and international brands are carefully selected. Each batch of raw materials undergoes material testing and composition analysis to ensure top-notch quality at the source.
- Precision production equipment: We have introduced state-of-the-art international spring winding machines, heat treatment equipment, end-face grinding machines, and inspection instruments to achieve automation and precision in the production process, thereby effectively ensuring product dimensional accuracy and performance stability.
- Multi-stage testing: The production process involves multiple stages, including intermediate product testing, heat treatment performance testing, finished product size testing, and elastic fatigue testing. The testing items cover tensile strength, yield strength, corrosion resistance, and service life, ensuring that each product meets international standards.
- International certification guarantees: The products have obtained ISO 9001 certification for quality management systems and TS 16949 certification for automotive industry quality systems. Some products meet international environmental standards such as CE and RoHS. They can easily pass customs inspections worldwide.
