makings, the wood that papermaking uses is occupied 28% , plank is occupied 61% , other 11% for log. Of the same age, global pulp output amounts to vinyl placemats leave mark on wood table 162 million tons, curium wood 434 million stere, board 158 million stere, the crop of paper and strawboard is 309 million tons. Since go up century since 70 time, world forestry production shows ascendant trend all the time. Especially fuel

timber crop increases to be closely remarkable, amplitude is achieved 56% ; It is papermaking lumber next, amplitude is 36% ; Curium wooden crop although not as good fence a wood-polymer composites as afore-mentioned two, but also rose 21% . Meanwhile, world lumber consumption increases by degrees every year 1.3% . What be worth to point out particularly is, consumption of developing country lumber increases rapid,

the consumptive scale that its take the whole world already from 70 time 14% rise to 27% current. From analysis of structure of market of trade of global forest trim at entry door threshold products, the forehead centered the forest products imports and exports of the developed country 80% of total volume of trade of global forest products, the developing country is occupied only 20% . The main forest products on