Guangdong suceesfully  researched and developped pp spunbond technology, which  our country have the proprietary intellectual property rights, and it was smooth through expert appraisal recentlly .it will speed up our country  to spin the agglutination production thin polyesterpp spunbond the manufacture domestically advancement.
 
 It is reported that the pp spunbond with this technology is more thinner ,permeability,the quality is  guarantee, and such asnon woven SMS fabricand surgical gownalso disposable face masksand car coverproduction cost only 1/4 price of that similar products  overseas , therefore it is competitiveness in the world.
 
 Expert indicated that because the superior permeability and toughness of the ''pp spunbond ''  , it will hopefully take place of preservative film ,agricultural film  in the future.