November 27, 2018 - Shanghai, the biennial Shanghai BMW Construction Machinery Exhibition (baumaCHINA) once again closed the curtain, nearly 3,000 exhibitors from 41 countries and regions around the world competed on the same stage, showcasing cutting-edge innovative products and technologies of construction machinery. Sichuan Chang'an Chuanshanjia Co., Ltd. debuted at the exhibition with new products and received wide attention.