Guilin GemRed Sensor Technology Co., Ltd. is a high-new technological and export-oriented enterprise at high-tech Development Zone in Guilin. Our factory is established in 2003. We specialize in researching and producing high-tech & high quality products at prices & quantity you can afford. We make sure the product quality meet your standards and the deliveries are on time. We are an expert manufacturer offering a wide range of measuring instruments especially for angle measurement, such as ...