Our development depends on the advanced equipment ,excellent talents and continuously strengthened technology forces for Red And Green Push Buttons, 5.5 mm barrel plug, smt tact switch, 3x4 J bend,rj45 jack connection. We have now ISO 9001 Certification and qualified this item .in excess of 16 years experiences in manufacturing and designing, so our items featured with best quality and competitive selling price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Johannesburg, French,Kuwait, Turin.With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.