1. Background China started producing special purpose vehicles in 1957. In 1970, there were about 20 identified spe-cial vehicle manufacturers with the total annual output of 4,697 units, which covered 5.4% of total t...1. Background China started producing special purpose vehicles in 1957. In 1970, there were about 20 identified spe-cial vehicle manufacturers with the total annual output of 4,697 units, which covered 5.4% of total truck production of that year. In 1980, the number of special vehicle manu-facturers increased to around 50 andthe total output reached 16,000 u-nits, which took 7.2% of the total truck production of that year. In the 1970s, major展开更多
文摘1. Background China started producing special purpose vehicles in 1957. In 1970, there were about 20 identified spe-cial vehicle manufacturers with the total annual output of 4,697 units, which covered 5.4% of total truck production of that year. In 1980, the number of special vehicle manu-facturers increased to around 50 andthe total output reached 16,000 u-nits, which took 7.2% of the total truck production of that year. In the 1970s, major