Natural rubber has been an important commodity in the world economic development.The natural rubber industry plays a vital role in many ways,such as an important contributor to foreign exchange earners for many developing countries,as the principal source of cash income for millions of rubber farmers,provide essential raw material for other industries and help to preserve the environment.In the near future,demand of natural rubber continues to increase in line with continued growing demand of natural rubber due to rapid industrial and economic growth in the world especially in new emerging industrialised countries,including China,India,Russia and Brazil.
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