QY20B truck crane use half a head large field of view luxurious cab, new great circle, streamline control room, the modelling beautiful; The four twelve edge shape single cylinder and rope exhaust expansion main arm and a quarter offset vice arm, before a single cylinder luffing; The allocation of power environmental protection engine, improve the chassis power and through the performance. QY20B truck crane with high performance, high reliability, positioning in the domestic market and abroad customers moderately developed countries with high performance-to-price ratio, occupy the market, to participate in international competition. It has a wide range of performance, lifting capacity, driving strong, can adapt to all kinds of cities, rural road conditions and field environment of the lifting operation and installation engineering, special apply to factory, mine, oilfield, harbor wharf, construction sites and other places of the lifting operation and installation, etc...