Construction machinery is roughly divided into 8 varieties of road rollers, graders, pavers, tower cranes, excavators, loaders, concrete pump trucks and forklifts. According to the China Construction Machinery Association Leasing Branch and our calculations, 2015 The market size of the leasing industry is about 500 billion yuan, which is about 13% CAGR of 350 billion yuan in 2012, which is roughly in line with the 15% CAGR of fixed asset investment in the same period. Judging from the market size of the subdivided products, the largest are excavators (about 160.8 billion), loaders (145 billion), and tower cranes (about 75 billion). From the perspective of product rents, the monthly rents of tower cranes with low usage frequency are high (about 25,000 yuan-27,000 yuan), forklifts with high frequency use (about 0.3 million yuan-70,000 yuan), and loaders (about (10,000 yuan-17,000 yuan) lower monthly rent.