... Electronic products such as LED lighting,Communication equipments, Computer, Auto electronics, Medical devices, Measurement and Control systems, Aviation and Military ... .3. Solderability test and thermal stress test.4. Process control: QC and QA.5. Apply for Certificate: UL, ISO9001 ... Limited company start business since 1992,it located at Chang'an DongGuang of China , the headquarter is in HongKong , ...