Guilin GemRed sensor technology Ltd. is a high technological corporation. It is mainly engaged in the development and application of capacitive sensor research. We mainly manufacture digital measuring tool such as digital protractor, digital level, digital bore gage, angle sensor and son on. For ten years GemRed has accumulated abundant academic knowledge and practice experience. In 2001, GemRed was evaluated as National Hi-tech Enterprise by Guangxi Science and Technology Ministry and has more than ten patents and one intellectual property right for IC-the core electronic component of their products in the mainland and abroad. It is high-speed developing export-oriented hi-tech enterprise with creative technique, creative products and creative administration.