Testing equipments from the professional world famous brand, the main German R&S, American Agilent KETHERLY, Denmark K&B and Aino series brand of China, provide reliable data for testing the accuracy of the guarantee. Laboratory scale is as follows: international standard 3 meters in a whole, half mx6mx6m (9) a 7 mx4mx3m shielding room four EMC anti-interference laboratory a rf lab a LVD safety laboratory a environmental laboratory a physical and chemical laboratory a already can basically complete electronic products export complete testing and certification of international standards. Test report has a very high international credibility.