CE mark is a products into the EU countries and the European Free Trade Association countries market "pass." Whether it is outside the EU or EU member states products, in order to free circulation in the EU market, in front of the EU market, it must comply with the relevant directives and harmonized standards requirements and affix the CE mark. This is a mandatory requirement of EU law raised by the relevant product. (4) a list of materials and prototype parts ready 1. technical construction file (for an English version) (1) User manual (2) circuit diagram (3) block diagram (5) on operating instructions and certification Hotline: 13410366134 Lai R 1. Europe Certification: CE, ROHS, GS, VDE, E / e-Mark, ErP certification 2. American Certification: FCC, FDA, UL, ETL, CSA, IC, S-Mark, UC, NOM certification 3. Asia Certification: PSE, VCCI, KC, KCC, CCC, BSMI certification 4. Australia Certification: C-Tick, SAA, MEPS certification 5. African Certificate: SONCAP, SABS, SASO certification 6. International Certification: CB Certification