Xi 'an Zealchon electronic technology co., LTD, located in new technology industry development zone in Xi'an, an ancient city in China. It covers an area of 7500 square meters of building area. Zealchen specialize in two aspects: one is civil engineering research and experimental apparatus; another is the semiconductor laser research and development. On one hand, currently based on civil experimental instrument research, the research team is founded by the personnel who come from Chang 'an ...