According to the carrying capacity, there are minivans (under 1.8 tons), light trucks (1.8-6 tons), medium goods vehicles (6-14 tons) and heavy trucks (over 14 tons). The international monetary fund (IMF) being worried, said discuss decomposition "disorderly exit may lead to the European Union, asset prices fall sharply", and is yet to be completed task list "is very long, so the time is ambitious". An open market enables enterprises to compete and cooperate with each other on a larger scale and at a higher level to promote economic development. The black-tie awards ceremony was held on 15 June at the Royal Armouries in Leeds, at the centre of the country’s great east-west glass manufacturing corridor – where nine out of ten of the UK’s largest glass manufacturers have production sites. The proposed acquisition of calcium chloride will improve the self-balancing ability of chlorine and alkali and guarantee the stability of industrial chain