At SAIDELI, product quality is considered to be the most important factor to realize sustainable development. Accordingly, we have set up a professional QA team and an impeccable quality management system. For example, the production process must be conducted strictly following the ISO 9001:2000 standard, and advanced inspection equipment, like dynamic balancing machine, magnetic particle inspection machine, radiation flaw detector, tensile tester and optical spectrum analyzer, is utilized to check the quality of raw materials and finished products. In addition, we also pay attention to customer feedback, and try to find out the root cause for every customer’s complaint.