In order to improve the quality and performance of products, we established a top-ranking R&D platform which owns basic equipments like Multifunction Tester, Withstand voltage Tester, UK type special tester and so on, to produce better products. Our products are extensively applied in top-ranking technology Both at home and abroad like Thunder Stroke Protection, Cost Ranking, High-Voltage Test, Bending Test. We developed autonomously and successfully the electrical socket with water- proof function, and master the technology of manufacturing production related to electrical connection first. To provide more security for your life, we will constantly improve our products, for the pursuit of a more professional product quality.