A32 Pressure aging vessel accelerated asphalt aging test device ASTMD6521
 

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 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 university, Xi 'an polytechnic university, Xi 'an petroleum university, which has the top technology in this expertise. In addition, its research and development has accomplished a series of leading domestic and international standards, first-class technology of asphalt and asphalt mixture, road, bridge deck, geotechnical, structural testing instruments, even more, some of the products fill the blank of similar equipment at home and abroad, won national, ministerial, provincial awards.