Quality System

To enhance quality control comprehensively, we must realize our quality policy and goal. Quality System are established according to ISO9001:2008 with regular internal audit to guarantee quality system is effectively operated. All staffs in SiYi are participated into quality system, by keeping training and learning. Customer satisfication is our mission.


To satisfy customer’s increasing requirement is our purpose of quality system. Every people in SiYi are do every effort to meet and exceed customer’s expection.

Quality policy

Our policy for quality management are high quality, fast delivery, customers satisfaction and technology innovation.