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The first set of 100-ton continuous natural gutta-precha production device was recently completed and put into operation in Hunan Xiangxi Laodie Bio-technology Co.,Ltd.This marked that Chinese natural gutta-percha extraction had climbed to a new level,and it would accumulate valuable experience and lay a good foundation for the scale development of national natural gatta-percha,said the expert group of Eucommia Ulmoides Industry Alliance.