Shenzhen KEDIDA Co., Ltd. located in Guangdong province, South of China, are professional manufacturer and exporter for various industry instruments meters. Our main product include thermometer, pH meter, conductive TDS electrode, Tachometer, ...

History: Astro Instrument has been a supplier of material testing for several years. We built our reputation by supplying customers with high quality products and services. With specialist in this business over 10 years, we are well prepared assisting you ...