GS certification sign is a certification sign of product safety，Only the Germany certification company that has been approved by German country approvement office (DAR) can develop this business. This sign mainly applies to the electrical equipment and mechanical product that contact with person directly. If certain a manufacturer's product obtained the GS certificate of the third certification company, then it can lable its product GS sign，In the entire course of using of product, the certification company offers the guarantee on regulations for safety performance of product. GS sign has had decades history in Germany，has very good foundation of the masses, it can be said that it is widely known，at the same time, since Germany is a economic and industrial central in Europe, most European countries also approve GS sign basically. In China, GS certification business is mainly aim at electrical equipment and mechanical product，the entire certification is according to the EN standard that unified by Europe or German industrial standard (DIN). The working method can mainly divide into this following steps：apply-quote-technical meeting-type testing-factory inspection-be qualified to send certificate .

EMC introduction

           EMC certification sign is the acronym of Electro-Magnetic Compatibility，it concluding two parts: EMI and EMS. It is the sign that mainly aim to the electrical equipment and product，the character of EMC sign is basic the same as the character of GS sign，it means the certification company of 3th offers the guarantee on regulations for the performance of product's Electro-Magnetic Compatibility.