Anaging Department：
All activities concerning quality control are managed by the Quality Assurance and Calibration Department with 7 test stations, 1 calibration center and 1 type test lab.

Engineering personnel:
There are 100 engineering staffs working in the QAC Department, among whom 5 are engineers, 6 are engineer-assistants and 29 are technicans.

Quality System：
A Quality System was established in accordance with ISO9001 in 1992. Over the past decade or more, the QS has been improved and developed continuously and operating efficiently. Voer all process control has been realized from the phase of product design to material purchasing, on-line production, sales and follow up service. Scientification, programmatication, documentalizstion, digitalization and intelligentialization have been realized in the fields of product digitalization and intelligentialization have been realized in the fields of product research and development, purchase management, production processes, quality control and sales.

Recognition Certificates Obtained：
1. ISO9001-94(08/1995), ISO9001-2000(11/2001)
2. ISO9001-FMRC(08/1995)
3. ISO90012-1(01/1998)
4. CCEE(05/1992), 3C(CQRC)(05/2002)
5. UL listed products (from 09/1994): close to 40 models.